30231122120123 has 16 divisors (see below), whose sum is σ = 30392220418560. Its totient is φ = 30070492635456.

The previous prime is 30231122120107. The next prime is 30231122120141. The reversal of 30231122120123 is 32102122113203.

It is a cyclic number.

It is not a de Polignac number, because 30231122120123 - 2⁴ = 30231122120107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30231122120623) 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, 303698186 + ... + 303797712.

It is an arithmetic number, because the mean of its divisors is an integer number (1899513776160).

Almost surely, 2^{30231122120123} is an apocalyptic number.

30231122120123 is a deficient number, since it is larger than the sum of its proper divisors (161098298437).

30231122120123 is a wasteful number, since it uses less digits than its factorization.

30231122120123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101866.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 30231122120123 its reverse (32102122113203), we get a palindrome (62333244233326).

The spelling of 30231122120123 in words is "thirty trillion, two hundred thirty-one billion, one hundred twenty-two million, one hundred twenty thousand, one hundred twenty-three".