23935980 has 24 divisors (see below), whose sum is σ = 67020912. Its totient is φ = 6382912.

The previous prime is 23935969. The next prime is 23935981. The reversal of 23935980 is 8953932.

It is a super-2 number, since 2×23935980² = 1145862277120800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23935981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199407 + ... + 199526.

It is an arithmetic number, because the mean of its divisors is an integer number (2792538).

Almost surely, 2^23935980 is an apocalyptic number.

23935980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23935980 is an abundant number, since it is smaller than the sum of its proper divisors (43084932).

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

23935980 is a wasteful number, since it uses less digits than its factorization.

23935980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398945 (or 398943 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 23935980 is about 4892.4411084856. The cubic root of 23935980 is about 288.1932056208.

The spelling of 23935980 in words is "twenty-three million, nine hundred thirty-five thousand, nine hundred eighty".