30020311010123 has 16 divisors (see below), whose sum is σ = 34964511559680. Its totient is φ = 25244155905696.

The previous prime is 30020311010117. The next prime is 30020311010161. The reversal of 30020311010123 is 32101011302003.

It is not a de Polignac number, because 30020311010123 - 2²⁰ = 30020309961547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30020311010423) 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, 172799411 + ... + 172973052.

It is an arithmetic number, because the mean of its divisors is an integer number (2185281972480).

Almost surely, 2^{30020311010123} is an apocalyptic number.

30020311010123 is a deficient number, since it is larger than the sum of its proper divisors (4944200549557).

30020311010123 is a wasteful number, since it uses less digits than its factorization.

30020311010123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345772706.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 30020311010123 its reverse (32101011302003), we get a palindrome (62121322312126).

The spelling of 30020311010123 in words is "thirty trillion, twenty billion, three hundred eleven million, ten thousand, one hundred twenty-three".