23097631 has 2 divisors, whose sum is σ = 23097632. Its totient is φ = 23097630.

The previous prime is 23097619. The next prime is 23097667. The reversal of 23097631 is 13679032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23097631 - 2¹⁵ = 23064863 is a prime.

It is a super-2 number, since 2×23097631² = 1067001115624322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23097593 and 23097602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23097691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11548815 + 11548816.

It is an arithmetic number, because the mean of its divisors is an integer number (11548816).

Almost surely, 2^23097631 is an apocalyptic number.

23097631 is a deficient number, since it is larger than the sum of its proper divisors (1).

23097631 is an equidigital number, since it uses as much as digits as its factorization.

23097631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 23097631 is about 4805.9994798169. Note that the first 3 decimals coincide. The cubic root of 23097631 is about 284.7885206560.

The spelling of 23097631 in words is "twenty-three million, ninety-seven thousand, six hundred thirty-one".