23627421 has 12 divisors (see below), whose sum is σ = 34196448. Its totient is φ = 15720264.

The previous prime is 23627389. The next prime is 23627437. The reversal of 23627421 is 12472632.

23627421 is a `hidden beast` number, since 236 + 2 + 7 + 421 = 666.

It is not a de Polignac number, because 23627421 - 2⁵ = 23627389 is a prime.

It is a super-2 number, since 2×23627421² = 1116510046222482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23627441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2736 + ... + 7398.

It is an arithmetic number, because the mean of its divisors is an integer number (2849704).

Almost surely, 2^23627421 is an apocalyptic number.

It is an amenable number.

23627421 is a deficient number, since it is larger than the sum of its proper divisors (10569027).

23627421 is a wasteful number, since it uses less digits than its factorization.

23627421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5232 (or 5229 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 23627421 is about 4860.8045630327. The cubic root of 23627421 is about 286.9494785761.

The spelling of 23627421 in words is "twenty-three million, six hundred twenty-seven thousand, four hundred twenty-one".