23880390 has 32 divisors (see below), whose sum is σ = 57646080. Its totient is φ = 6331104.

The previous prime is 23880319. The next prime is 23880413. The reversal of 23880390 is 9308832.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3147 + ... + 7593.

It is an arithmetic number, because the mean of its divisors is an integer number (1801440).

Almost surely, 2^23880390 is an apocalyptic number.

23880390 is an abundant number, since it is smaller than the sum of its proper divisors (33765690).

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

23880390 is a wasteful number, since it uses less digits than its factorization.

23880390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4636.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 23880390 is about 4886.7565930789. The cubic root of 23880390 is about 287.9699283802.

The spelling of 23880390 in words is "twenty-three million, eight hundred eighty thousand, three hundred ninety".