23144931 has 12 divisors (see below), whose sum is σ = 33543120. Its totient is φ = 15378480.

The previous prime is 23144921. The next prime is 23144963. The reversal of 23144931 is 13944132.

It is not a de Polignac number, because 23144931 - 2⁵ = 23144899 is a prime.

It is a super-2 number, since 2×23144931² = 1071375661989522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23144895 and 23144904.

It is not an unprimeable number, because it can be changed into a prime (23144911) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1336 + ... + 6933.

It is an arithmetic number, because the mean of its divisors is an integer number (2795260).

Almost surely, 2^23144931 is an apocalyptic number.

23144931 is a deficient number, since it is larger than the sum of its proper divisors (10398189).

23144931 is a wasteful number, since it uses less digits than its factorization.

23144931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8586 (or 8583 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 23144931 is about 4810.9178957866. The cubic root of 23144931 is about 284.9827875108.

The spelling of 23144931 in words is "twenty-three million, one hundred forty-four thousand, nine hundred thirty-one".