23355552031 has 12 divisors (see below), whose sum is σ = 27198709608. Its totient is φ = 19996934832.

The previous prime is 23355551981. The next prime is 23355552047. The reversal of 23355552031 is 13025555332.

It is not a de Polignac number, because 23355552031 - 2²¹ = 23353454879 is a prime.

It is a super-3 number, since 3×23355552031³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23355552071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 218316 + ... + 307201.

It is an arithmetic number, because the mean of its divisors is an integer number (2266559134).

Almost surely, 2^23355552031 is an apocalyptic number.

23355552031 is a deficient number, since it is larger than the sum of its proper divisors (3843157577).

23355552031 is an equidigital number, since it uses as much as digits as its factorization.

23355552031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526438 (or 526431 counting only the distinct ones).

The product of its (nonzero) digits is 67500, while the sum is 34.

The spelling of 23355552031 in words is "twenty-three billion, three hundred fifty-five million, five hundred fifty-two thousand, thirty-one".