923904963 has 48 divisors (see below), whose sum is σ = 1490261760. Its totient is φ = 548856000.

The previous prime is 923904937. The next prime is 923905019. The reversal of 923904963 is 369409329.

It is not a de Polignac number, because 923904963 - 2¹² = 923900867 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (923904263) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 237988 + ... + 241838.

It is an arithmetic number, because the mean of its divisors is an integer number (31047120).

Almost surely, 2^923904963 is an apocalyptic number.

923904963 is a deficient number, since it is larger than the sum of its proper divisors (566356797).

923904963 is a wasteful number, since it uses less digits than its factorization.

923904963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3960 (or 3957 counting only the distinct ones).

The product of its (nonzero) digits is 314928, while the sum is 45.

The square root of 923904963 is about 30395.8050230620. The cubic root of 923904963 is about 973.9629430868.

The spelling of 923904963 in words is "nine hundred twenty-three million, nine hundred four thousand, nine hundred sixty-three".