30120133323 has 16 divisors (see below), whose sum is σ = 47480014080. Its totient is φ = 16618004256.

The previous prime is 30120133319. The next prime is 30120133327. The reversal of 30120133323 is 32333102103.

It is an interprime number because it is at equal distance from previous prime (30120133319) and next prime (30120133327).

It is not a de Polignac number, because 30120133323 - 2² = 30120133319 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 30120133323.

It is not an unprimeable number, because it can be changed into a prime (30120133327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24728565 + ... + 24729782.

It is an arithmetic number, because the mean of its divisors is an integer number (2967500880).

Almost surely, 2^30120133323 is an apocalyptic number.

30120133323 is a deficient number, since it is larger than the sum of its proper divisors (17359880757).

30120133323 is a wasteful number, since it uses less digits than its factorization.

30120133323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49458386.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 30120133323 its reverse (32333102103), we get a palindrome (62453235426).

The spelling of 30120133323 in words is "thirty billion, one hundred twenty million, one hundred thirty-three thousand, three hundred twenty-three".