320111432123 has 16 divisors (see below), whose sum is σ = 371495097600. Its totient is φ = 270145393056.

The previous prime is 320111432107. The next prime is 320111432203. The reversal of 320111432123 is 321234111023.

It is not a de Polignac number, because 320111432123 - 2⁴ = 320111432107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320111422123) 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, 730028 + ... + 1083126.

It is an arithmetic number, because the mean of its divisors is an integer number (23218443600).

Almost surely, 2^320111432123 is an apocalyptic number.

320111432123 is a deficient number, since it is larger than the sum of its proper divisors (51383665477).

320111432123 is a wasteful number, since it uses less digits than its factorization.

320111432123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355106.

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

Adding to 320111432123 its reverse (321234111023), we get a palindrome (641345543146).

The spelling of 320111432123 in words is "three hundred twenty billion, one hundred eleven million, four hundred thirty-two thousand, one hundred twenty-three".