131403404402423 has 2 divisors, whose sum is σ = 131403404402424. Its totient is φ = 131403404402422.

The previous prime is 131403404402419. The next prime is 131403404402437. The reversal of 131403404402423 is 324204404304131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131403404402423 - 2² = 131403404402419 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131403404402323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65701702201211 + 65701702201212.

It is an arithmetic number, because the mean of its divisors is an integer number (65701702201212).

Almost surely, 2^{131403404402423} is an apocalyptic number.

131403404402423 is a deficient number, since it is larger than the sum of its proper divisors (1).

131403404402423 is an equidigital number, since it uses as much as digits as its factorization.

131403404402423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 131403404402423 its reverse (324204404304131), we get a palindrome (455607808706554).

The spelling of 131403404402423 in words is "one hundred thirty-one trillion, four hundred three billion, four hundred four million, four hundred two thousand, four hundred twenty-three".