23180880 has 40 divisors (see below), whose sum is σ = 71861472. Its totient is φ = 6181504.

The previous prime is 23180873. The next prime is 23180881. The reversal of 23180880 is 8808132.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23180881) by changing a digit.

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, 48054 + ... + 48533.

Almost surely, 2^23180880 is an apocalyptic number.

23180880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23180880 is an abundant number, since it is smaller than the sum of its proper divisors (48680592).

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

23180880 is a wasteful number, since it uses less digits than its factorization.

23180880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96603 (or 96597 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 23180880 is about 4814.6526354453. The cubic root of 23180880 is about 285.1302574782.

The spelling of 23180880 in words is "twenty-three million, one hundred eighty thousand, eight hundred eighty".