23850840 has 64 divisors (see below), whose sum is σ = 77061600. Its totient is φ = 5870592.

The previous prime is 23850823. The next prime is 23850857. The reversal of 23850840 is 4805832.

It is an interprime number because it is at equal distance from previous prime (23850823) and next prime (23850857).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 23850798 and 23850807.

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, 6085 + ... + 9204.

Almost surely, 2^23850840 is an apocalyptic number.

23850840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23850840 is an abundant number, since it is smaller than the sum of its proper divisors (53210760).

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

23850840 is a wasteful number, since it uses less digits than its factorization.

23850840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15316 (or 15312 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 23850840 is about 4883.7321793890. The cubic root of 23850840 is about 287.8510997271.

The spelling of 23850840 in words is "twenty-three million, eight hundred fifty thousand, eight hundred forty".