23245931 has 4 divisors (see below), whose sum is σ = 23280264. Its totient is φ = 23211600.

The previous prime is 23245921. The next prime is 23245933. The reversal of 23245931 is 13954232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23245931 is a prime.

It is a super-2 number, since 2×23245931² = 1080746616113522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23245894 and 23245903.

It is not an unprimeable number, because it can be changed into a prime (23245933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16130 + ... + 17511.

It is an arithmetic number, because the mean of its divisors is an integer number (5820066).

Almost surely, 2^23245931 is an apocalyptic number.

23245931 is a deficient number, since it is larger than the sum of its proper divisors (34333).

23245931 is an equidigital number, since it uses as much as digits as its factorization.

23245931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34332.

The product of its digits is 6480, while the sum is 29.

The square root of 23245931 is about 4821.4034263895. The cubic root of 23245931 is about 285.3967225614.

The spelling of 23245931 in words is "twenty-three million, two hundred forty-five thousand, nine hundred thirty-one".