23113403402031 has 64 divisors (see below), whose sum is σ = 36957716490240. Its totient is φ = 14239886158080.

The previous prime is 23113403401901. The next prime is 23113403402053. The reversal of 23113403402031 is 13020430431132.

It is a happy number.

23113403402031 is a `hidden beast` number, since 2 + 3 + 1 + 13 + 403 + 40 + 203 + 1 = 666.

It is not a de Polignac number, because 23113403402031 - 2²⁷ = 23113269184303 is a prime.

It is a super-2 number, since 2×23113403402031² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 23113403401986 and 23113403402004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23113403502031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1784296 + ... + 7029261.

It is an arithmetic number, because the mean of its divisors is an integer number (577464320160).

Almost surely, 2^{23113403402031} is an apocalyptic number.

23113403402031 is a deficient number, since it is larger than the sum of its proper divisors (13844313088209).

23113403402031 is a wasteful number, since it uses less digits than its factorization.

23113403402031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8813733 (or 8813727 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 23113403402031 its reverse (13020430431132), we get a palindrome (36133833833163).

The spelling of 23113403402031 in words is "twenty-three trillion, one hundred thirteen billion, four hundred three million, four hundred two thousand, thirty-one".