23645879 has 2 divisors, whose sum is σ = 23645880. Its totient is φ = 23645878.

The previous prime is 23645851. The next prime is 23645891. The reversal of 23645879 is 97854632.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23645879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23645819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11822939 + 11822940.

It is an arithmetic number, because the mean of its divisors is an integer number (11822940).

Almost surely, 2^23645879 is an apocalyptic number.

23645879 is a deficient number, since it is larger than the sum of its proper divisors (1).

23645879 is an equidigital number, since it uses as much as digits as its factorization.

23645879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 44.

The square root of 23645879 is about 4862.7028492393. The cubic root of 23645879 is about 287.0241818180.

The spelling of 23645879 in words is "twenty-three million, six hundred forty-five thousand, eight hundred seventy-nine".