23520040831 has 16 divisors (see below), whose sum is σ = 26967628800. Its totient is φ = 20094437088.

The previous prime is 23520040811. The next prime is 23520040867. The reversal of 23520040831 is 13804002532.

It is a cyclic number.

It is not a de Polignac number, because 23520040831 - 2¹⁵ = 23520008063 is a prime.

It is a super-3 number, since 3×23520040831³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 23520040831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23520040801) 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, 4258890 + ... + 4264408.

It is an arithmetic number, because the mean of its divisors is an integer number (1685476800).

Almost surely, 2^23520040831 is an apocalyptic number.

23520040831 is a deficient number, since it is larger than the sum of its proper divisors (3447587969).

23520040831 is a wasteful number, since it uses less digits than its factorization.

23520040831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7398.

The product of its (nonzero) digits is 5760, while the sum is 28.

The spelling of 23520040831 in words is "twenty-three billion, five hundred twenty million, forty thousand, eight hundred thirty-one".