23203980 has 72 divisors (see below), whose sum is σ = 74535552. Its totient is φ = 5822976.

The previous prime is 23203969. The next prime is 23203993. The reversal of 23203980 is 8930232.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 732 + ... + 6851.

It is an arithmetic number, because the mean of its divisors is an integer number (1035216).

Almost surely, 2^23203980 is an apocalyptic number.

23203980 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 23203980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37267776).

23203980 is an abundant number, since it is smaller than the sum of its proper divisors (51331572).

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

23203980 is a wasteful number, since it uses less digits than its factorization.

23203980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7615 (or 7610 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 23203980 is about 4817.0509650615. The cubic root of 23203980 is about 285.2249378400.

The spelling of 23203980 in words is "twenty-three million, two hundred three thousand, nine hundred eighty".