23479855 has 8 divisors (see below), whose sum is σ = 32200992. Its totient is φ = 16100448.

The previous prime is 23479847. The next prime is 23479871. The reversal of 23479855 is 55897432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23479855 - 2³ = 23479847 is a prime.

It is a Duffinian number.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 335392 + ... + 335461.

It is an arithmetic number, because the mean of its divisors is an integer number (4025124).

Almost surely, 2^23479855 is an apocalyptic number.

23479855 is a deficient number, since it is larger than the sum of its proper divisors (8721137).

23479855 is an equidigital number, since it uses as much as digits as its factorization.

23479855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670865.

The product of its digits is 302400, while the sum is 43.

The square root of 23479855 is about 4845.6016138350. The cubic root of 23479855 is about 286.3508457758.

It can be divided in two parts, 234 and 79855, that added together give a square (80089 = 283²).

The spelling of 23479855 in words is "twenty-three million, four hundred seventy-nine thousand, eight hundred fifty-five".