993004923 has 16 divisors (see below), whose sum is σ = 1414497920. Its totient is φ = 617798016.

The previous prime is 993004849. The next prime is 993004937. The reversal of 993004923 is 329400399.

It is not a de Polignac number, because 993004923 - 2⁸ = 993004667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (993004963) 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, 126190 + ... + 133827.

It is an arithmetic number, because the mean of its divisors is an integer number (88406120).

Almost surely, 2^993004923 is an apocalyptic number.

993004923 is a deficient number, since it is larger than the sum of its proper divisors (421492997).

993004923 is a wasteful number, since it uses less digits than its factorization.

993004923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260106.

The product of its (nonzero) digits is 52488, while the sum is 39.

The square root of 993004923 is about 31511.9806264221. The cubic root of 993004923 is about 997.6628496503.

The spelling of 993004923 in words is "nine hundred ninety-three million, four thousand, nine hundred twenty-three".