23165423 has 2 divisors, whose sum is σ = 23165424. Its totient is φ = 23165422.

The previous prime is 23165419. The next prime is 23165431. The reversal of 23165423 is 32456132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23165423 - 2² = 23165419 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 23165392 and 23165401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23165413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11582711 + 11582712.

It is an arithmetic number, because the mean of its divisors is an integer number (11582712).

Almost surely, 2^23165423 is an apocalyptic number.

23165423 is a deficient number, since it is larger than the sum of its proper divisors (1).

23165423 is an equidigital number, since it uses as much as digits as its factorization.

23165423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 26.

The square root of 23165423 is about 4813.0471636999. The cubic root of 23165423 is about 285.0668684792.

The spelling of 23165423 in words is "twenty-three million, one hundred sixty-five thousand, four hundred twenty-three".