23320180 has 48 divisors (see below), whose sum is σ = 53096400. Its totient is φ = 8552448.

The previous prime is 23320151. The next prime is 23320181. The reversal of 23320180 is 8102332.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 795664 + 22524516 = 892^2 + 4746^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23320181) 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, 66646 + ... + 66994.

It is an arithmetic number, because the mean of its divisors is an integer number (1106175).

Almost surely, 2^23320180 is an apocalyptic number.

23320180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23320180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26548200).

23320180 is an abundant number, since it is smaller than the sum of its proper divisors (29776220).

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

23320180 is a wasteful number, since it uses less digits than its factorization.

23320180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628 (or 626 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 23320180 is about 4829.0972241196. The cubic root of 23320180 is about 285.7002581208.

The spelling of 23320180 in words is "twenty-three million, three hundred twenty thousand, one hundred eighty".