131233423903 has 2 divisors, whose sum is σ = 131233423904. Its totient is φ = 131233423902.

The previous prime is 131233423883. The next prime is 131233423927. The reversal of 131233423903 is 309324332131.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131233423903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131233423963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65616711951 + 65616711952.

It is an arithmetic number, because the mean of its divisors is an integer number (65616711952).

Almost surely, 2^131233423903 is an apocalyptic number.

131233423903 is a deficient number, since it is larger than the sum of its proper divisors (1).

131233423903 is an equidigital number, since it uses as much as digits as its factorization.

131233423903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 34.

The spelling of 131233423903 in words is "one hundred thirty-one billion, two hundred thirty-three million, four hundred twenty-three thousand, nine hundred three".