663002923 has 24 divisors (see below), whose sum is σ = 754110000. Its totient is φ = 582067200.

The previous prime is 663002911. The next prime is 663002971. The reversal of 663002923 is 329200366.

It is not a de Polignac number, because 663002923 - 2¹⁷ = 662871851 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (663006923) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 530203 + ... + 531451.

It is an arithmetic number, because the mean of its divisors is an integer number (31421250).

Almost surely, 2^663002923 is an apocalyptic number.

663002923 is a deficient number, since it is larger than the sum of its proper divisors (91107077).

663002923 is a wasteful number, since it uses less digits than its factorization.

663002923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1419 (or 1408 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 663002923 is about 25748.8431390616. The cubic root of 663002923 is about 871.9772367841.

The spelling of 663002923 in words is "six hundred sixty-three million, two thousand, nine hundred twenty-three".