30123765320 has 32 divisors (see below), whose sum is σ = 73940152320. Its totient is φ = 10954096320.

The previous prime is 30123765313. The next prime is 30123765361. The reversal of 30123765320 is 2356732103.

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 7 ways as a sum of consecutive naturals, for example, 34231112 + ... + 34231991.

It is an arithmetic number, because the mean of its divisors is an integer number (2310629760).

Almost surely, 2^30123765320 is an apocalyptic number.

It is an amenable number.

30123765320 is an abundant number, since it is smaller than the sum of its proper divisors (43816387000).

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

30123765320 is a wasteful number, since it uses less digits than its factorization.

30123765320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68463125 (or 68463121 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 32.

The spelling of 30123765320 in words is "thirty billion, one hundred twenty-three million, seven hundred sixty-five thousand, three hundred twenty".