23870451 has 16 divisors (see below), whose sum is σ = 35919360. Its totient is φ = 13967520.

The previous prime is 23870449. The next prime is 23870453. The reversal of 23870451 is 15407832.

It is an interprime number because it is at equal distance from previous prime (23870449) and next prime (23870453).

It is not a de Polignac number, because 23870451 - 2¹ = 23870449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23870453) 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, 11515 + ... + 13428.

It is an arithmetic number, because the mean of its divisors is an integer number (2244960).

Almost surely, 2^23870451 is an apocalyptic number.

23870451 is a deficient number, since it is larger than the sum of its proper divisors (12048909).

23870451 is a wasteful number, since it uses less digits than its factorization.

23870451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24986.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 23870451 is about 4885.7395550725. The cubic root of 23870451 is about 287.9299718820.

The spelling of 23870451 in words is "twenty-three million, eight hundred seventy thousand, four hundred fifty-one".