30423502545 has 16 divisors (see below), whose sum is σ = 49809642432. Its totient is φ = 15848521920.

The previous prime is 30423502519. The next prime is 30423502553. The reversal of 30423502545 is 54520532403.

It is a happy number.

It is not a de Polignac number, because 30423502545 - 2²⁰ = 30422453969 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23583466 + ... + 23584755.

It is an arithmetic number, because the mean of its divisors is an integer number (3113102652).

Almost surely, 2^30423502545 is an apocalyptic number.

It is an amenable number.

30423502545 is a deficient number, since it is larger than the sum of its proper divisors (19386139887).

30423502545 is a wasteful number, since it uses less digits than its factorization.

30423502545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47168272.

The product of its (nonzero) digits is 72000, while the sum is 33.

The spelling of 30423502545 in words is "thirty billion, four hundred twenty-three million, five hundred two thousand, five hundred forty-five".