23140318 has 32 divisors (see below), whose sum is σ = 37920960. Its totient is φ = 10563840.

The previous prime is 23140283. The next prime is 23140319. The reversal of 23140318 is 81304132.

It is a super-2 number, since 2×23140318² = 1070948634282248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23140319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87855 + ... + 88117.

It is an arithmetic number, because the mean of its divisors is an integer number (1185030).

Almost surely, 2^23140318 is an apocalyptic number.

23140318 is a deficient number, since it is larger than the sum of its proper divisors (14780642).

23140318 is a wasteful number, since it uses less digits than its factorization.

23140318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 23140318 is about 4810.4384415560. The cubic root of 23140318 is about 284.9638530128.

The spelling of 23140318 in words is "twenty-three million, one hundred forty thousand, three hundred eighteen".