23556955 has 4 divisors (see below), whose sum is σ = 28268352. Its totient is φ = 18845560.

The previous prime is 23556947. The next prime is 23556959. The reversal of 23556955 is 55965532.

It is a happy number.

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

It is not a de Polignac number, because 23556955 - 2³ = 23556947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23556959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2355691 + ... + 2355700.

It is an arithmetic number, because the mean of its divisors is an integer number (7067088).

Almost surely, 2^23556955 is an apocalyptic number.

23556955 is a deficient number, since it is larger than the sum of its proper divisors (4711397).

23556955 is an equidigital number, since it uses as much as digits as its factorization.

23556955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4711396.

The product of its digits is 202500, while the sum is 40.

The square root of 23556955 is about 4853.5507620710. The cubic root of 23556955 is about 286.6639301764.

The spelling of 23556955 in words is "twenty-three million, five hundred fifty-six thousand, nine hundred fifty-five".