23155360 has 48 divisors (see below), whose sum is σ = 57929256. Its totient is φ = 8716288.

The previous prime is 23155337. The next prime is 23155367. The reversal of 23155360 is 6355132.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 23155344 + 16 = 4812^2 + 4^2 .

It is not an unprimeable number, because it can be changed into a prime (23155367) 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, 1537 + ... + 6976.

Almost surely, 2^23155360 is an apocalyptic number.

23155360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23155360 is an abundant number, since it is smaller than the sum of its proper divisors (34773896).

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

23155360 is a wasteful number, since it uses less digits than its factorization.

23155360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8545 (or 8537 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 23155360 is about 4812.0016625101. The cubic root of 23155360 is about 285.0255850633.

The spelling of 23155360 in words is "twenty-three million, one hundred fifty-five thousand, three hundred sixty".