923868140 has 48 divisors (see below), whose sum is σ = 2180219328. Its totient is φ = 326287104.

The previous prime is 923868097. The next prime is 923868157. The reversal of 923868140 is 41868329.

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, 71267 + ... + 83226.

It is an arithmetic number, because the mean of its divisors is an integer number (45421236).

Almost surely, 2^923868140 is an apocalyptic number.

It is an amenable number.

923868140 is an abundant number, since it is smaller than the sum of its proper divisors (1256351188).

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

923868140 is a wasteful number, since it uses less digits than its factorization.

923868140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154538 (or 154536 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 923868140 is about 30395.1992919935. The cubic root of 923868140 is about 973.9500035475.

The spelling of 923868140 in words is "nine hundred twenty-three million, eight hundred sixty-eight thousand, one hundred forty".