23608631 has 4 divisors (see below), whose sum is σ = 24997392. Its totient is φ = 22219872.

The previous prime is 23608609. The next prime is 23608633. The reversal of 23608631 is 13680632.

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

It is a cyclic number.

It is not a de Polignac number, because 23608631 - 2⁶ = 23608567 is a prime.

It is a super-2 number, since 2×23608631² = 1114734915388322, 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 = 23608594 and 23608603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23608633) 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, 694355 + ... + 694388.

It is an arithmetic number, because the mean of its divisors is an integer number (6249348).

Almost surely, 2^23608631 is an apocalyptic number.

23608631 is a deficient number, since it is larger than the sum of its proper divisors (1388761).

23608631 is a wasteful number, since it uses less digits than its factorization.

23608631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1388760.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 23608631 is about 4858.8713710079. The cubic root of 23608631 is about 286.8733916906.

The spelling of 23608631 in words is "twenty-three million, six hundred eight thousand, six hundred thirty-one".