23475631 has 2 divisors, whose sum is σ = 23475632. Its totient is φ = 23475630.

The previous prime is 23475629. The next prime is 23475707. The reversal of 23475631 is 13657432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23475631 - 2¹ = 23475629 is a prime.

It is a super-2 number, since 2×23475631² = 1102210501696322, which contains 22 as substring.

Together with 23475629, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 23475593 and 23475602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23475601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11737815 + 11737816.

It is an arithmetic number, because the mean of its divisors is an integer number (11737816).

Almost surely, 2^23475631 is an apocalyptic number.

23475631 is a deficient number, since it is larger than the sum of its proper divisors (1).

23475631 is an equidigital number, since it uses as much as digits as its factorization.

23475631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 31.

The square root of 23475631 is about 4845.1657350394. The cubic root of 23475631 is about 286.3336733456. Note that the first 3 decimals are identical.

The spelling of 23475631 in words is "twenty-three million, four hundred seventy-five thousand, six hundred thirty-one".