30423645 has 48 divisors (see below), whose sum is σ = 61326720. Its totient is φ = 13663872.

The previous prime is 30423619. The next prime is 30423683. The reversal of 30423645 is 54632403.

It is not a de Polignac number, because 30423645 - 2¹⁸ = 30161501 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17767 + ... + 19403.

It is an arithmetic number, because the mean of its divisors is an integer number (1277640).

Almost surely, 2^30423645 is an apocalyptic number.

30423645 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30423645 is an abundant number, since it is smaller than the sum of its proper divisors (30903075).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30423645 is a wasteful number, since it uses less digits than its factorization.

30423645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1714 (or 1711 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 30423645 is about 5515.7633197954. The cubic root of 30423645 is about 312.1790454083.

The spelling of 30423645 in words is "thirty million, four hundred twenty-three thousand, six hundred forty-five".