23527631 has 2 divisors, whose sum is σ = 23527632. Its totient is φ = 23527630.

The previous prime is 23527627. The next prime is 23527633. The reversal of 23527631 is 13672532.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23527631 - 2² = 23527627 is a prime.

It is a super-2 number, since 2×23527631² = 1107098840944322, which contains 22 as substring.

Together with 23527633, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 23527594 and 23527603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23527633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11763815 + 11763816.

It is an arithmetic number, because the mean of its divisors is an integer number (11763816).

Almost surely, 2^23527631 is an apocalyptic number.

23527631 is a deficient number, since it is larger than the sum of its proper divisors (1).

23527631 is an equidigital number, since it uses as much as digits as its factorization.

23527631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 29.

The square root of 23527631 is about 4850.5289402291. The cubic root of 23527631 is about 286.5449331396.

The spelling of 23527631 in words is "twenty-three million, five hundred twenty-seven thousand, six hundred thirty-one".