23042263531 has 16 divisors (see below), whose sum is σ = 26553049600. Its totient is φ = 19586888640.

The previous prime is 23042263487. The next prime is 23042263537. The reversal of 23042263531 is 13536224032.

It is a cyclic number.

It is not a de Polignac number, because 23042263531 - 2⁹ = 23042263019 is a prime.

It is a super-2 number, since 2×23042263531² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23042263493 and 23042263502.

It is not an unprimeable number, because it can be changed into a prime (23042263537) 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, 400711 + ... + 454591.

It is an arithmetic number, because the mean of its divisors is an integer number (1659565600).

Almost surely, 2^23042263531 is an apocalyptic number.

23042263531 is a deficient number, since it is larger than the sum of its proper divisors (3510786069).

23042263531 is a wasteful number, since it uses less digits than its factorization.

23042263531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54394.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 23042263531 its reverse (13536224032), we get a palindrome (36578487563).

The spelling of 23042263531 in words is "twenty-three billion, forty-two million, two hundred sixty-three thousand, five hundred thirty-one".