131233344033423 has 4 divisors (see below), whose sum is σ = 174977792044568. Its totient is φ = 87488896022280.

The previous prime is 131233344033413. The next prime is 131233344033487. The reversal of 131233344033423 is 324330443332131.

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

It is not a de Polignac number, because 131233344033423 - 2²⁶ = 131233276924559 is a prime.

It is a super-2 number, since 2×131233344033423² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131233344033413) 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, 21872224005568 + ... + 21872224005573.

It is an arithmetic number, because the mean of its divisors is an integer number (43744448011142).

Almost surely, 2^{131233344033423} is an apocalyptic number.

131233344033423 is a deficient number, since it is larger than the sum of its proper divisors (43744448011145).

131233344033423 is an equidigital number, since it uses as much as digits as its factorization.

131233344033423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43744448011144.

The product of its (nonzero) digits is 559872, while the sum is 39.

Adding to 131233344033423 its reverse (324330443332131), we get a palindrome (455563787365554).

The spelling of 131233344033423 in words is "one hundred thirty-one trillion, two hundred thirty-three billion, three hundred forty-four million, thirty-three thousand, four hundred twenty-three".