131233414123 has 4 divisors (see below), whose sum is σ = 149981044720. Its totient is φ = 112485783528.

The previous prime is 131233414087. The next prime is 131233414153. The reversal of 131233414123 is 321414332131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131233414123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131233414091 and 131233414100.

It is not an unprimeable number, because it can be changed into a prime (131233414153) 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, 9373815288 + ... + 9373815301.

It is an arithmetic number, because the mean of its divisors is an integer number (37495261180).

Almost surely, 2^131233414123 is an apocalyptic number.

131233414123 is a deficient number, since it is larger than the sum of its proper divisors (18747630597).

131233414123 is an equidigital number, since it uses as much as digits as its factorization.

131233414123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18747630596.

The product of its digits is 5184, while the sum is 28.

Adding to 131233414123 its reverse (321414332131), we get a palindrome (452647746254).

The spelling of 131233414123 in words is "one hundred thirty-one billion, two hundred thirty-three million, four hundred fourteen thousand, one hundred twenty-three".