23980436 has 12 divisors (see below), whose sum is σ = 42351540. Its totient is φ = 11880000.

The previous prime is 23980423. The next prime is 23980457. The reversal of 23980436 is 63408932.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6708100 + 17272336 = 2590^2 + 4156^2 .

It is a super-2 number, since 2×23980436² = 1150122621500192, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23980396 and 23980405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27065 + ... + 27936.

It is an arithmetic number, because the mean of its divisors is an integer number (3529295).

Almost surely, 2^23980436 is an apocalyptic number.

It is an amenable number.

23980436 is a deficient number, since it is larger than the sum of its proper divisors (18371104).

23980436 is a wasteful number, since it uses less digits than its factorization.

23980436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55114 (or 55112 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 23980436 is about 4896.9823360923. The cubic root of 23980436 is about 288.3715145031.

The spelling of 23980436 in words is "twenty-three million, nine hundred eighty thousand, four hundred thirty-six".