23765479 has 2 divisors, whose sum is σ = 23765480. Its totient is φ = 23765478.

The previous prime is 23765477. The next prime is 23765513. The reversal of 23765479 is 97456732.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23765479 - 2¹ = 23765477 is a prime.

Together with 23765477, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23765477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11882739 + 11882740.

It is an arithmetic number, because the mean of its divisors is an integer number (11882740).

Almost surely, 2^23765479 is an apocalyptic number.

23765479 is a deficient number, since it is larger than the sum of its proper divisors (1).

23765479 is an equidigital number, since it uses as much as digits as its factorization.

23765479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 317520, while the sum is 43.

The square root of 23765479 is about 4874.9850256180. The cubic root of 23765479 is about 287.5072875279.

The spelling of 23765479 in words is "twenty-three million, seven hundred sixty-five thousand, four hundred seventy-nine".