23555967 has 4 divisors (see below), whose sum is σ = 31407960. Its totient is φ = 15703976.

The previous prime is 23555957. The next prime is 23555971. The reversal of 23555967 is 76955532.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23555967 - 2⁴ = 23555951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23555957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3925992 + ... + 3925997.

It is an arithmetic number, because the mean of its divisors is an integer number (7851990).

Almost surely, 2^23555967 is an apocalyptic number.

23555967 is a deficient number, since it is larger than the sum of its proper divisors (7851993).

23555967 is an equidigital number, since it uses as much as digits as its factorization.

23555967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7851992.

The product of its digits is 283500, while the sum is 42.

The square root of 23555967 is about 4853.4489798493. The cubic root of 23555967 is about 286.6599224722.

The spelling of 23555967 in words is "twenty-three million, five hundred fifty-five thousand, nine hundred sixty-seven".