999479023 has 2 divisors, whose sum is σ = 999479024. Its totient is φ = 999479022.

The previous prime is 999479009. The next prime is 999479069. The reversal of 999479023 is 320974999.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 999479023 - 2⁹ = 999478511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (999479003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499739511 + 499739512.

It is an arithmetic number, because the mean of its divisors is an integer number (499739512).

Almost surely, 2^999479023 is an apocalyptic number.

999479023 is a deficient number, since it is larger than the sum of its proper divisors (1).

999479023 is an equidigital number, since it uses as much as digits as its factorization.

999479023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1102248, while the sum is 52.

The square root of 999479023 is about 31614.5381588914. The cubic root of 999479023 is about 999.8263108338.

The spelling of 999479023 in words is "nine hundred ninety-nine million, four hundred seventy-nine thousand, twenty-three".