23372155 has 8 divisors (see below), whose sum is σ = 28249200. Its totient is φ = 18562656.

The previous prime is 23372149. The next prime is 23372159. The reversal of 23372155 is 55127332.

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

It is a cyclic number.

It is not a de Polignac number, because 23372155 - 2¹⁵ = 23339387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23372159) by changing a digit.

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, 16120 + ... + 17509.

It is an arithmetic number, because the mean of its divisors is an integer number (3531150).

Almost surely, 2^23372155 is an apocalyptic number.

23372155 is a deficient number, since it is larger than the sum of its proper divisors (4877045).

23372155 is a wasteful number, since it uses less digits than its factorization.

23372155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33773.

The product of its digits is 6300, while the sum is 28.

The square root of 23372155 is about 4834.4756696047. The cubic root of 23372155 is about 285.9123527209.

Adding to 23372155 its reverse (55127332), we get a palindrome (78499487).

The spelling of 23372155 in words is "twenty-three million, three hundred seventy-two thousand, one hundred fifty-five".