30123020013 has 8 divisors (see below), whose sum is σ = 41459640576. Its totient is φ = 19434206400.

The previous prime is 30123020009. The next prime is 30123020047. The reversal of 30123020013 is 31002032103.

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

It is not a de Polignac number, because 30123020013 - 2² = 30123020009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30123019974 and 30123020001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30123020113) 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, 161951628 + ... + 161951813.

It is an arithmetic number, because the mean of its divisors is an integer number (5182455072).

Almost surely, 2^30123020013 is an apocalyptic number.

It is an amenable number.

30123020013 is a deficient number, since it is larger than the sum of its proper divisors (11336620563).

30123020013 is a wasteful number, since it uses less digits than its factorization.

30123020013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323903475.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 30123020013 its reverse (31002032103), we get a palindrome (61125052116).

The spelling of 30123020013 in words is "thirty billion, one hundred twenty-three million, twenty thousand, thirteen".