30423428784 has 120 divisors (see below), whose sum is σ = 99936713760. Its totient is φ = 8457467904.

The previous prime is 30423428743. The next prime is 30423428807. The reversal of 30423428784 is 48782432403.

30423428784 is a `hidden beast` number, since 30 + 423 + 42 + 87 + 84 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 370569 + ... + 445160.

It is an arithmetic number, because the mean of its divisors is an integer number (832805948).

Almost surely, 2^30423428784 is an apocalyptic number.

It is an amenable number.

30423428784 is an abundant number, since it is smaller than the sum of its proper divisors (69513284976).

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

30423428784 is a wasteful number, since it uses less digits than its factorization.

30423428784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815787 (or 815778 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 45.

The spelling of 30423428784 in words is "thirty billion, four hundred twenty-three million, four hundred twenty-eight thousand, seven hundred eighty-four".