23977090 has 16 divisors (see below), whose sum is σ = 43342200. Its totient is φ = 9550080.

The previous prime is 23977081. The next prime is 23977111. The reversal of 23977090 is 9077932.

It can be written as a sum of positive squares in 4 ways, for example, as 20602521 + 3374569 = 4539^2 + 1837^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2565 + ... + 7384.

Almost surely, 2^23977090 is an apocalyptic number.

23977090 is a deficient number, since it is larger than the sum of its proper divisors (19365110).

23977090 is a wasteful number, since it uses less digits than its factorization.

23977090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10197.

The product of its (nonzero) digits is 23814, while the sum is 37.

The square root of 23977090 is about 4896.6406852045. The cubic root of 23977090 is about 288.3581016809.

The spelling of 23977090 in words is "twenty-three million, nine hundred seventy-seven thousand, ninety".