23698980 has 60 divisors (see below), whose sum is σ = 74349660. Its totient is φ = 6319296.

The previous prime is 23698967. The next prime is 23699029. The reversal of 23698980 is 8989632.

It can be written as a sum of positive squares in 2 ways, for example, as 6260004 + 17438976 = 2502^2 + 4176^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5695 + ... + 8934.

It is an arithmetic number, because the mean of its divisors is an integer number (1239161).

Almost surely, 2^23698980 is an apocalyptic number.

23698980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23698980 is an abundant number, since it is smaller than the sum of its proper divisors (50650680).

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

23698980 is a wasteful number, since it uses less digits than its factorization.

23698980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14650 (or 14639 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 23698980 is about 4868.1598166042. The cubic root of 23698980 is about 287.2388756949.

The spelling of 23698980 in words is "twenty-three million, six hundred ninety-eight thousand, nine hundred eighty".