923913 has 16 divisors (see below), whose sum is σ = 1441600. Its totient is φ = 583200.

The previous prime is 923903. The next prime is 923917. The reversal of 923913 is 319329.

It is not a de Polignac number, because 923913 - 2⁶ = 923849 is a prime.

It is a super-3 number, since 3×923913³ = 2365998628333828491, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (923917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 388 + ... + 1413.

It is an arithmetic number, because the mean of its divisors is an integer number (90100).

2⁹²³⁹¹³ is an apocalyptic number.

It is an amenable number.

923913 is a deficient number, since it is larger than the sum of its proper divisors (517687).

923913 is a wasteful number, since it uses less digits than its factorization.

923913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1829 (or 1823 counting only the distinct ones).

The product of its digits is 1458, while the sum is 27.

The square root of 923913 is about 961.2039325762. The cubic root of 923913 is about 97.3965767229.

It can be divided in two parts, 92 and 3913, that added together give a triangular number (4005 = T₈₉).

The spelling of 923913 in words is "nine hundred twenty-three thousand, nine hundred thirteen".