15157023 has 24 divisors (see below), whose sum is σ = 24536448. Its totient is φ = 8282736.

The previous prime is 15156989. The next prime is 15157031. The reversal of 15157023 is 32075151.

It is not a de Polignac number, because 15157023 - 2⁶ = 15156959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15156984 and 15157002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15157033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1140 + ... + 5622.

It is an arithmetic number, because the mean of its divisors is an integer number (1022352).

Almost surely, 2^15157023 is an apocalyptic number.

15157023 is a deficient number, since it is larger than the sum of its proper divisors (9379425).

15157023 is a wasteful number, since it uses less digits than its factorization.

15157023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4523 (or 4516 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 15157023 is about 3893.2021524704. The cubic root of 15157023 is about 247.4787819786.

The spelling of 15157023 in words is "fifteen million, one hundred fifty-seven thousand, twenty-three".