23506855 has 4 divisors (see below), whose sum is σ = 28208232. Its totient is φ = 18805480.

The previous prime is 23506837. The next prime is 23506859. The reversal of 23506855 is 55860532.

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 23506855 - 2⁵ = 23506823 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23506855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23506859) 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, 2350681 + ... + 2350690.

It is an arithmetic number, because the mean of its divisors is an integer number (7052058).

Almost surely, 2^23506855 is an apocalyptic number.

23506855 is a deficient number, since it is larger than the sum of its proper divisors (4701377).

23506855 is an equidigital number, since it uses as much as digits as its factorization.

23506855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4701376.

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 23506855 is about 4848.3868451269. The cubic root of 23506855 is about 286.4605641024.

The spelling of 23506855 in words is "twenty-three million, five hundred six thousand, eight hundred fifty-five".