23055631 has 2 divisors, whose sum is σ = 23055632. Its totient is φ = 23055630.

The previous prime is 23055619. The next prime is 23055647. The reversal of 23055631 is 13655032.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23055631 - 2⁹ = 23055119 is a prime.

It is a super-2 number, since 2×23055631² = 1063124241616322, which contains 22 as substring.

It is equal to p_1451563 and since 23055631 and 1451563 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 23055596 and 23055605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23055601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11527815 + 11527816.

It is an arithmetic number, because the mean of its divisors is an integer number (11527816).

Almost surely, 2^23055631 is an apocalyptic number.

23055631 is a deficient number, since it is larger than the sum of its proper divisors (1).

23055631 is an equidigital number, since it uses as much as digits as its factorization.

23055631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 23055631 is about 4801.6279531009. The cubic root of 23055631 is about 284.6157991172.

The spelling of 23055631 in words is "twenty-three million, fifty-five thousand, six hundred thirty-one".