23662631 has 4 divisors (see below), whose sum is σ = 23680032. Its totient is φ = 23645232.

The previous prime is 23662621. The next prime is 23662651. The reversal of 23662631 is 13626632.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23662631 is a prime.

It is a super-2 number, since 2×23662631² = 1119840211684322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23662594 and 23662603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23662601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6470 + ... + 9443.

It is an arithmetic number, because the mean of its divisors is an integer number (5920008).

Almost surely, 2^23662631 is an apocalyptic number.

23662631 is a deficient number, since it is larger than the sum of its proper divisors (17401).

23662631 is a wasteful number, since it uses less digits than its factorization.

23662631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17400.

The product of its digits is 7776, while the sum is 29.

The square root of 23662631 is about 4864.4250431063. The cubic root of 23662631 is about 287.0919468899.

The spelling of 23662631 in words is "twenty-three million, six hundred sixty-two thousand, six hundred thirty-one".