131042432110123 has 4 divisors (see below), whose sum is σ = 138750810469560. Its totient is φ = 123334053750688.

The previous prime is 131042432110103. The next prime is 131042432110153. The reversal of 131042432110123 is 321011234240131.

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 131042432110123 - 2³³ = 131033842175531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131042432110091 and 131042432110100.

It is not an unprimeable number, because it can be changed into a prime (131042432110103) 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, 3854189179693 + ... + 3854189179726.

It is an arithmetic number, because the mean of its divisors is an integer number (34687702617390).

Almost surely, 2^{131042432110123} is an apocalyptic number.

131042432110123 is a deficient number, since it is larger than the sum of its proper divisors (7708378359437).

131042432110123 is an equidigital number, since it uses as much as digits as its factorization.

131042432110123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7708378359436.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 131042432110123 its reverse (321011234240131), we get a palindrome (452053666350254).

The spelling of 131042432110123 in words is "one hundred thirty-one trillion, forty-two billion, four hundred thirty-two million, one hundred ten thousand, one hundred twenty-three".