30231312123 has 8 divisors (see below), whose sum is σ = 40818649600. Its totient is φ = 19899091368.

The previous prime is 30231312113. The next prime is 30231312149. The reversal of 30231312123 is 32121313203.

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

It is not a de Polignac number, because 30231312123 - 2⁸ = 30231311867 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30231312123.

It is not an unprimeable number, because it can be changed into a prime (30231312113) 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, 63778903 + ... + 63779376.

It is an arithmetic number, because the mean of its divisors is an integer number (5102331200).

Almost surely, 2^30231312123 is an apocalyptic number.

30231312123 is a deficient number, since it is larger than the sum of its proper divisors (10587337477).

30231312123 is a wasteful number, since it uses less digits than its factorization.

30231312123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127558361.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 30231312123 its reverse (32121313203), we get a palindrome (62352625326).

The spelling of 30231312123 in words is "thirty billion, two hundred thirty-one million, three hundred twelve thousand, one hundred twenty-three".