23288190 has 32 divisors (see below), whose sum is σ = 58323456. Its totient is φ = 5940000.

The previous prime is 23288159. The next prime is 23288191. The reversal of 23288190 is 9188232.

It is a super-2 number, since 2×23288190² = 1084679586952200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23288191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16186 + ... + 17565.

It is an arithmetic number, because the mean of its divisors is an integer number (1822608).

Almost surely, 2^23288190 is an apocalyptic number.

23288190 is an abundant number, since it is smaller than the sum of its proper divisors (35035266).

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

23288190 is a wasteful number, since it uses less digits than its factorization.

23288190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33784.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 23288190 is about 4825.7838741494. The cubic root of 23288190 is about 285.5695596789.

The spelling of 23288190 in words is "twenty-three million, two hundred eighty-eight thousand, one hundred ninety".