23636980 has 24 divisors (see below), whose sum is σ = 49746312. Its totient is φ = 9434112.

The previous prime is 23636959. The next prime is 23636999. The reversal of 23636980 is 8963632.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5438224 + 18198756 = 2332^2 + 4266^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10864 + ... + 12856.

It is an arithmetic number, because the mean of its divisors is an integer number (2072763).

Almost surely, 2^23636980 is an apocalyptic number.

23636980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23636980 is an abundant number, since it is smaller than the sum of its proper divisors (26109332).

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

23636980 is a wasteful number, since it uses less digits than its factorization.

23636980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2595 (or 2593 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 23636980 is about 4861.7877370367. The cubic root of 23636980 is about 286.9881706286.

The spelling of 23636980 in words is "twenty-three million, six hundred thirty-six thousand, nine hundred eighty".