23131887328203 has 32 divisors (see below), whose sum is σ = 33642200432640. Its totient is φ = 14094241967520.

The previous prime is 23131887328181. The next prime is 23131887328211. The reversal of 23131887328203 is 30282378813132.

It is a happy number.

It is not a de Polignac number, because 23131887328203 - 2⁶ = 23131887328139 is a prime.

It is a super-2 number, since 2×23131887328203² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23131887328243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68276251 + ... + 68614212.

It is an arithmetic number, because the mean of its divisors is an integer number (1051318763520).

Almost surely, 2^{23131887328203} is an apocalyptic number.

23131887328203 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

23131887328203 is a deficient number, since it is larger than the sum of its proper divisors (10510313104437).

23131887328203 is a wasteful number, since it uses less digits than its factorization.

23131887328203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136890599.

The product of its (nonzero) digits is 2322432, while the sum is 51.

The spelling of 23131887328203 in words is "twenty-three trillion, one hundred thirty-one billion, eight hundred eighty-seven million, three hundred twenty-eight thousand, two hundred three".