23855364 has 72 divisors (see below), whose sum is σ = 67021920. Its totient is φ = 7334496.

The previous prime is 23855339. The next prime is 23855383. The reversal of 23855364 is 46355832.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17599 + ... + 18905.

It is an arithmetic number, because the mean of its divisors is an integer number (930860).

Almost surely, 2^23855364 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 23855364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33510960).

23855364 is an abundant number, since it is smaller than the sum of its proper divisors (43166556).

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

23855364 is a wasteful number, since it uses less digits than its factorization.

23855364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346 (or 1325 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 23855364 is about 4884.1953277894. The cubic root of 23855364 is about 287.8692983321.

The spelling of 23855364 in words is "twenty-three million, eight hundred fifty-five thousand, three hundred sixty-four".