30523912393 has 8 divisors (see below), whose sum is σ = 32873435336. Its totient is φ = 28174608000.

The previous prime is 30523912379. The next prime is 30523912411. The reversal of 30523912393 is 39321932503.

It can be written as a sum of positive squares in 4 ways, for example, as 2031485184 + 28492427209 = 45072^2 + 168797^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30523912393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30523912303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342283 + ... + 422143.

It is an arithmetic number, because the mean of its divisors is an integer number (4109179417).

Almost surely, 2^30523912393 is an apocalyptic number.

It is an amenable number.

30523912393 is a deficient number, since it is larger than the sum of its proper divisors (2349522943).

30523912393 is a wasteful number, since it uses less digits than its factorization.

30523912393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109275.

The product of its (nonzero) digits is 131220, while the sum is 40.

The spelling of 30523912393 in words is "thirty billion, five hundred twenty-three million, nine hundred twelve thousand, three hundred ninety-three".