23408831 has 2 divisors, whose sum is σ = 23408832. Its totient is φ = 23408830.

The previous prime is 23408821. The next prime is 23408839. The reversal of 23408831 is 13880432.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23408831 - 2¹⁰ = 23407807 is a prime.

It is a super-2 number, since 2×23408831² = 1095946737573122, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 23408794 and 23408803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23408839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11704415 + 11704416.

It is an arithmetic number, because the mean of its divisors is an integer number (11704416).

Almost surely, 2^23408831 is an apocalyptic number.

23408831 is a deficient number, since it is larger than the sum of its proper divisors (1).

23408831 is an equidigital number, since it uses as much as digits as its factorization.

23408831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 23408831 is about 4838.2673551593. The cubic root of 23408831 is about 286.0618274730.

The spelling of 23408831 in words is "twenty-three million, four hundred eight thousand, eight hundred thirty-one".