23928155 has 8 divisors (see below), whose sum is σ = 28921200. Its totient is φ = 19004256.

The previous prime is 23928137. The next prime is 23928173. The reversal of 23928155 is 55182932.

It is an interprime number because it is at equal distance from previous prime (23928137) and next prime (23928173).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23928155 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16520 + ... + 17909.

It is an arithmetic number, because the mean of its divisors is an integer number (3615150).

Almost surely, 2^23928155 is an apocalyptic number.

23928155 is a deficient number, since it is larger than the sum of its proper divisors (4993045).

23928155 is a wasteful number, since it uses less digits than its factorization.

23928155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34573.

The product of its digits is 21600, while the sum is 35.

The square root of 23928155 is about 4891.6413400821. The cubic root of 23928155 is about 288.1617974281.

The spelling of 23928155 in words is "twenty-three million, nine hundred twenty-eight thousand, one hundred fifty-five".