30523051977 has 16 divisors (see below), whose sum is σ = 44440195008. Its totient is φ = 18480890880.

The previous prime is 30523051969. The next prime is 30523051981. The reversal of 30523051977 is 77915032503.

It is not a de Polignac number, because 30523051977 - 2³ = 30523051969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30523051997) 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 15 ways as a sum of consecutive naturals, for example, 413608 + ... + 481785.

It is an arithmetic number, because the mean of its divisors is an integer number (2777512188).

Almost surely, 2^30523051977 is an apocalyptic number.

It is an amenable number.

30523051977 is a deficient number, since it is larger than the sum of its proper divisors (13917143031).

30523051977 is a wasteful number, since it uses less digits than its factorization.

30523051977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896440.

The product of its (nonzero) digits is 198450, while the sum is 42.

The spelling of 30523051977 in words is "thirty billion, five hundred twenty-three million, fifty-one thousand, nine hundred seventy-seven".