23115400153251 has 32 divisors (see below), whose sum is σ = 35312463267840. Its totient is φ = 13175463834624.

The previous prime is 23115400153201. The next prime is 23115400153309. The reversal of 23115400153251 is 15235100451132.

It is not a de Polignac number, because 23115400153251 - 2¹⁰ = 23115400152227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23115400153201) 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, 14078470 + ... + 15634388.

It is an arithmetic number, because the mean of its divisors is an integer number (1103514477120).

Almost surely, 2^{23115400153251} is an apocalyptic number.

23115400153251 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

23115400153251 is a deficient number, since it is larger than the sum of its proper divisors (12197063114589).

23115400153251 is a wasteful number, since it uses less digits than its factorization.

23115400153251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557715.

The product of its (nonzero) digits is 18000, while the sum is 33.

The spelling of 23115400153251 in words is "twenty-three trillion, one hundred fifteen billion, four hundred million, one hundred fifty-three thousand, two hundred fifty-one".