30312320311123 has 8 divisors (see below), whose sum is σ = 30319312233056. Its totient is φ = 30305328768000.

The previous prime is 30312320311111. The next prime is 30312320311151. The reversal of 30312320311123 is 32111302321303.

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

It is a cyclic number.

It is not a de Polignac number, because 30312320311123 - 2³³ = 30303730376531 is a prime.

It is a super-2 number, since 2×30312320311123² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30312320318123) 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, 214133938 + ... + 214275448.

It is an arithmetic number, because the mean of its divisors is an integer number (3789914029132).

Almost surely, 2^{30312320311123} is an apocalyptic number.

30312320311123 is a deficient number, since it is larger than the sum of its proper divisors (6991921933).

30312320311123 is a wasteful number, since it uses less digits than its factorization.

30312320311123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189405.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 30312320311123 its reverse (32111302321303), we get a palindrome (62423622632426).

The spelling of 30312320311123 in words is "thirty trillion, three hundred twelve billion, three hundred twenty million, three hundred eleven thousand, one hundred twenty-three".