23188032 has 196 divisors, whose sum is σ = 79955136. Its totient is φ = 6531840.

The previous prime is 23188027. The next prime is 23188049. The reversal of 23188032 is 23088132.

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

It is a junction number, because it is equal to n+sod(n) for n = 23187987 and 23188005.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 326557 + ... + 326627.

Almost surely, 2^23188032 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 23188032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39977568).

23188032 is an abundant number, since it is smaller than the sum of its proper divisors (56767104).

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

23188032 is an frugal number, since it uses more digits than its factorization.

23188032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 23188032 is about 4815.3953108753. The cubic root of 23188032 is about 285.1595782217.

The spelling of 23188032 in words is "twenty-three million, one hundred eighty-eight thousand, thirty-two".