23440352253031 has 16 divisors (see below), whose sum is σ = 27475184199168. Its totient is φ = 19582093908000.

The previous prime is 23440352253023. The next prime is 23440352253053. The reversal of 23440352253031 is 13035225304432.

It is a cyclic number.

It is not a de Polignac number, because 23440352253031 - 2³ = 23440352253023 is a prime.

It is a super-2 number, since 2×23440352253031² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23440352253011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209154385 + ... + 209266426.

It is an arithmetic number, because the mean of its divisors is an integer number (1717199012448).

Almost surely, 2^{23440352253031} is an apocalyptic number.

23440352253031 is a deficient number, since it is larger than the sum of its proper divisors (4034831946137).

23440352253031 is a wasteful number, since it uses less digits than its factorization.

23440352253031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418421022.

The product of its (nonzero) digits is 259200, while the sum is 37.

Adding to 23440352253031 its reverse (13035225304432), we get a palindrome (36475577557463).

The spelling of 23440352253031 in words is "twenty-three trillion, four hundred forty billion, three hundred fifty-two million, two hundred fifty-three thousand, thirty-one".