23028631 has 2 divisors, whose sum is σ = 23028632. Its totient is φ = 23028630.

The previous prime is 23028619. The next prime is 23028667. The reversal of 23028631 is 13682032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23028631 - 2²³ = 14640023 is a prime.

It is a super-2 number, since 2×23028631² = 1060635691468322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23028596 and 23028605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23028601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11514315 + 11514316.

It is an arithmetic number, because the mean of its divisors is an integer number (11514316).

Almost surely, 2^23028631 is an apocalyptic number.

23028631 is a deficient number, since it is larger than the sum of its proper divisors (1).

23028631 is an equidigital number, since it uses as much as digits as its factorization.

23028631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 23028631 is about 4798.8155830371. The cubic root of 23028631 is about 284.5046530477.

The spelling of 23028631 in words is "twenty-three million, twenty-eight thousand, six hundred thirty-one".