30643002423 has 48 divisors (see below), whose sum is σ = 49504815360. Its totient is φ = 18103478400.

The previous prime is 30643002391. The next prime is 30643002433. The reversal of 30643002423 is 32420034603.

It is a happy number.

It is not a de Polignac number, because 30643002423 - 2⁵ = 30643002391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30643002433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6569190 + ... + 6573852.

It is an arithmetic number, because the mean of its divisors is an integer number (1031350320).

Almost surely, 2^30643002423 is an apocalyptic number.

30643002423 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

30643002423 is a deficient number, since it is larger than the sum of its proper divisors (18861812937).

30643002423 is a wasteful number, since it uses less digits than its factorization.

30643002423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6340 (or 6337 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

The spelling of 30643002423 in words is "thirty billion, six hundred forty-three million, two thousand, four hundred twenty-three".