23981450 has 12 divisors (see below), whose sum is σ = 44605590. Its totient is φ = 9592560.

The previous prime is 23981443. The next prime is 23981453. The reversal of 23981450 is 5418932.

It can be written as a sum of positive squares in 3 ways, for example, as 22024249 + 1957201 = 4693^2 + 1399^2 .

It is not an unprimeable number, because it can be changed into a prime (23981453) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 239765 + ... + 239864.

Almost surely, 2^23981450 is an apocalyptic number.

23981450 is a deficient number, since it is larger than the sum of its proper divisors (20624140).

23981450 is a wasteful number, since it uses less digits than its factorization.

23981450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479641 (or 479636 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 23981450 is about 4897.0858681465. The cubic root of 23981450 is about 288.3755789912.

The spelling of 23981450 in words is "twenty-three million, nine hundred eighty-one thousand, four hundred fifty".