23155008 has 56 divisors (see below), whose sum is σ = 62045088. Its totient is φ = 7620096.

The previous prime is 23154991. The next prime is 23155009. The reversal of 23155008 is 80055132.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23155009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15210 + ... + 16662.

It is an arithmetic number, because the mean of its divisors is an integer number (1107948).

Almost surely, 2^23155008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23155008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31022544).

23155008 is an abundant number, since it is smaller than the sum of its proper divisors (38890080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23155008 is a wasteful number, since it uses less digits than its factorization.

23155008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1551 (or 1541 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 23155008 is about 4811.9650871551. The cubic root of 23155008 is about 285.0241407683.

The spelling of 23155008 in words is "twenty-three million, one hundred fifty-five thousand, eight".