1232013222123 has 4 divisors (see below), whose sum is σ = 1642684296168. Its totient is φ = 821342148080.

The previous prime is 1232013222109. The next prime is 1232013222163. The reversal of 1232013222123 is 3212223102321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1232013222123 - 2⁸ = 1232013221867 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1232013222093 and 1232013222102.

It is not an unprimeable number, because it can be changed into a prime (1232013222103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205335537018 + ... + 205335537023.

It is an arithmetic number, because the mean of its divisors is an integer number (410671074042).

Almost surely, 2^{1232013222123} is an apocalyptic number.

1232013222123 is a deficient number, since it is larger than the sum of its proper divisors (410671074045).

1232013222123 is an equidigital number, since it uses as much as digits as its factorization.

1232013222123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410671074044.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1232013222123 its reverse (3212223102321), we get a palindrome (4444236324444).

The spelling of 1232013222123 in words is "one trillion, two hundred thirty-two billion, thirteen million, two hundred twenty-two thousand, one hundred twenty-three".