3201123111123 has 16 divisors (see below), whose sum is σ = 5089984574976. Its totient is φ = 1749682197120.

The previous prime is 3201123111107. The next prime is 3201123111157. The reversal of 3201123111123 is 3211113211023.

3201123111123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3201123111123 - 2⁴ = 3201123111107 is a prime.

It is a super-2 number, since 2×3201123111123² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 3201123111123.

It is not an unprimeable number, because it can be changed into a prime (3201123111623) 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, 3313791558 + ... + 3313792523.

It is an arithmetic number, because the mean of its divisors is an integer number (318124035936).

Almost surely, 2^{3201123111123} is an apocalyptic number.

3201123111123 is a deficient number, since it is larger than the sum of its proper divisors (1888861463853).

3201123111123 is a wasteful number, since it uses less digits than its factorization.

3201123111123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6627584114.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 3201123111123 its reverse (3211113211023), we get a palindrome (6412236322146).

The spelling of 3201123111123 in words is "three trillion, two hundred one billion, one hundred twenty-three million, one hundred eleven thousand, one hundred twenty-three".