23555136 has 112 divisors (see below), whose sum is σ = 71688960. Its totient is φ = 6750720.

The previous prime is 23555113. The next prime is 23555137. The reversal of 23555136 is 63155532.

It is not an unprimeable number, because it can be changed into a prime (23555137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39835 + ... + 40421.

It is an arithmetic number, because the mean of its divisors is an integer number (640080).

Almost surely, 2^23555136 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 23555136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35844480).

23555136 is an abundant number, since it is smaller than the sum of its proper divisors (48133824).

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

23555136 is a wasteful number, since it uses less digits than its factorization.

23555136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632 (or 622 counting only the distinct ones).

The product of its digits is 13500, while the sum is 30.

The square root of 23555136 is about 4853.3633698704. The cubic root of 23555136 is about 286.6565515330.

The spelling of 23555136 in words is "twenty-three million, five hundred fifty-five thousand, one hundred thirty-six".