23550156 has 48 divisors (see below), whose sum is σ = 69780480. Its totient is φ = 6728400.

The previous prime is 23550133. The next prime is 23550169. The reversal of 23550156 is 65105532.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 14820 + ... + 16331.

It is an arithmetic number, because the mean of its divisors is an integer number (1453760).

Almost surely, 2^23550156 is an apocalyptic number.

It is an amenable number.

23550156 is an abundant number, since it is smaller than the sum of its proper divisors (46230324).

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

23550156 is a wasteful number, since it uses less digits than its factorization.

23550156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31171 (or 31163 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 23550156 is about 4852.8502964753. The cubic root of 23550156 is about 286.6363485754.

Adding to 23550156 its reverse (65105532), we get a palindrome (88655688).

The spelling of 23550156 in words is "twenty-three million, five hundred fifty thousand, one hundred fifty-six".