23442180 has 24 divisors (see below), whose sum is σ = 65638272. Its totient is φ = 6251232.

The previous prime is 23442173. The next prime is 23442191. The reversal of 23442180 is 8124432.

It is a self number, because there is not a number n which added to its sum of digits gives 23442180.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 195292 + ... + 195411.

It is an arithmetic number, because the mean of its divisors is an integer number (2734928).

Almost surely, 2^23442180 is an apocalyptic number.

23442180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23442180 is an abundant number, since it is smaller than the sum of its proper divisors (42196092).

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

23442180 is a wasteful number, since it uses less digits than its factorization.

23442180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390715 (or 390713 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 23442180 is about 4841.7125069545. The cubic root of 23442180 is about 286.1976074156.

The spelling of 23442180 in words is "twenty-three million, four hundred forty-two thousand, one hundred eighty".