131403310400023 has 4 divisors (see below), whose sum is σ = 139132916894160. Its totient is φ = 123673703905888.

The previous prime is 131403310400003. The next prime is 131403310400093. The reversal of 131403310400023 is 320004013304131.

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-131403310400023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131403310400003) 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, 3864803247043 + ... + 3864803247076.

It is an arithmetic number, because the mean of its divisors is an integer number (34783229223540).

Almost surely, 2^{131403310400023} is an apocalyptic number.

131403310400023 is a deficient number, since it is larger than the sum of its proper divisors (7729606494137).

131403310400023 is an equidigital number, since it uses as much as digits as its factorization.

131403310400023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7729606494136.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 131403310400023 its reverse (320004013304131), we get a palindrome (451407323704154).

The spelling of 131403310400023 in words is "one hundred thirty-one trillion, four hundred three billion, three hundred ten million, four hundred thousand, twenty-three".