Number of the day: 10723493

Properties of the number 10723493:

10723493 is a cyclic number.
10723493 = 11 × 974863 is semiprime and squarefree.
10723493 has 2 distinct prime factors, 4 divisors, 33 antidivisors and 9748620 totatives.
10723493 has a prime digit sum 29 in base 10.
10723493 = 5361747² - 5361746² = 487437² - 487426² is the difference of 2 nonnegative squares in 2 ways.
10723493 is the sum of 2 positive triangular numbers.
10723493 is the difference of 2 positive pentagonal numbers in 2 ways.
10723493 = 90² + 97² + 3272² is the sum of 3 positive squares.
10723493² is the sum of 3 positive squares.
10723493 is a proper divisor of 461¹⁵⁴⁷⁴ - 1.
10723493 = '107234' + '93' is the concatenation of 2 emirpimes.
10723493 is an emirpimes in (at least) the following bases: 2, 3, 7, 9, 13, 14, 17, 18, 21, 24, 43, 45, 48, 53, 54, 71, 73, 79, 81, 88, 95, 98, and 99.