23898980 has 24 divisors (see below), whose sum is σ = 57357888. Its totient is φ = 8193888.

The previous prime is 23898943. The next prime is 23899009. The reversal of 23898980 is 8989832.

It is a happy number.

It is a super-2 number, since 2×23898980² = 1142322490080800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85214 + ... + 85493.

It is an arithmetic number, because the mean of its divisors is an integer number (2389912).

Almost surely, 2^23898980 is an apocalyptic number.

23898980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23898980 is an abundant number, since it is smaller than the sum of its proper divisors (33458908).

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

23898980 is a wasteful number, since it uses less digits than its factorization.

23898980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170723 (or 170721 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 47.

The square root of 23898980 is about 4888.6583026430. The cubic root of 23898980 is about 288.0446336431.

The spelling of 23898980 in words is "twenty-three million, eight hundred ninety-eight thousand, nine hundred eighty".