23877155 has 4 divisors (see below), whose sum is σ = 28652592. Its totient is φ = 19101720.

The previous prime is 23877137. The next prime is 23877181. The reversal of 23877155 is 55177832.

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 23877155 - 2⁸ = 23876899 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2387711 + ... + 2387720.

It is an arithmetic number, because the mean of its divisors is an integer number (7163148).

Almost surely, 2^23877155 is an apocalyptic number.

23877155 is a deficient number, since it is larger than the sum of its proper divisors (4775437).

23877155 is an equidigital number, since it uses as much as digits as its factorization.

23877155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4775436.

The product of its digits is 58800, while the sum is 38.

The square root of 23877155 is about 4886.4255852310. The cubic root of 23877155 is about 287.9569243382.

The spelling of 23877155 in words is "twenty-three million, eight hundred seventy-seven thousand, one hundred fifty-five".