23157503427 has 16 divisors (see below), whose sum is σ = 31716101120. Its totient is φ = 15018750432.

The previous prime is 23157503419. The next prime is 23157503441. The reversal of 23157503427 is 72430575132.

It is not a de Polignac number, because 23157503427 - 2³ = 23157503419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23157503417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 972024 + ... + 995562.

It is an arithmetic number, because the mean of its divisors is an integer number (1982256320).

Almost surely, 2^23157503427 is an apocalyptic number.

23157503427 is a deficient number, since it is larger than the sum of its proper divisors (8558597693).

23157503427 is a wasteful number, since it uses less digits than its factorization.

23157503427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32442.

The product of its (nonzero) digits is 176400, while the sum is 39.

The spelling of 23157503427 in words is "twenty-three billion, one hundred fifty-seven million, five hundred three thousand, four hundred twenty-seven".