30523661508 has 24 divisors (see below), whose sum is σ = 73677804480. Its totient is φ = 9823707040.

The previous prime is 30523661459. The next prime is 30523661543. The reversal of 30523661508 is 80516632503.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43855488 + ... + 43856183.

It is an arithmetic number, because the mean of its divisors is an integer number (3069908520).

Almost surely, 2^30523661508 is an apocalyptic number.

It is an amenable number.

30523661508 is an abundant number, since it is smaller than the sum of its proper divisors (43154142972).

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

30523661508 is a wasteful number, since it uses less digits than its factorization.

30523661508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87711707 (or 87711705 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 39.

The spelling of 30523661508 in words is "thirty billion, five hundred twenty-three million, six hundred sixty-one thousand, five hundred eight".