23667955 has 4 divisors (see below), whose sum is σ = 28401552. Its totient is φ = 18934360.

The previous prime is 23667937. The next prime is 23667967. The reversal of 23667955 is 55976632.

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

It is not a de Polignac number, because 23667955 - 2⁵ = 23667923 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2366791 + ... + 2366800.

It is an arithmetic number, because the mean of its divisors is an integer number (7100388).

Almost surely, 2^23667955 is an apocalyptic number.

23667955 is a deficient number, since it is larger than the sum of its proper divisors (4733597).

23667955 is an equidigital number, since it uses as much as digits as its factorization.

23667955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4733596.

The product of its digits is 340200, while the sum is 43.

The square root of 23667955 is about 4864.9722506917. The cubic root of 23667955 is about 287.1134767993.

The spelling of 23667955 in words is "twenty-three million, six hundred sixty-seven thousand, nine hundred fifty-five".