23244304531 has 16 divisors (see below), whose sum is σ = 28028021760. Its totient is φ = 18831234240.

The previous prime is 23244304513. The next prime is 23244304543. The reversal of 23244304531 is 13540344232.

It is a happy number.

It is not a de Polignac number, because 23244304531 - 2⁷ = 23244304403 is a prime.

It is a super-2 number, since 2×23244304531² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23244304493 and 23244304502.

It is not an unprimeable number, because it can be changed into a prime (23244304231) 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, 145426 + ... + 260071.

It is an arithmetic number, because the mean of its divisors is an integer number (1751751360).

Almost surely, 2^23244304531 is an apocalyptic number.

23244304531 is a deficient number, since it is larger than the sum of its proper divisors (4783717229).

23244304531 is a wasteful number, since it uses less digits than its factorization.

23244304531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405954.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 23244304531 its reverse (13540344232), we get a palindrome (36784648763).

The spelling of 23244304531 in words is "twenty-three billion, two hundred forty-four million, three hundred four thousand, five hundred thirty-one".