23131332011429 has 2 divisors, whose sum is σ = 23131332011430. Its totient is φ = 23131332011428.

The previous prime is 23131332011401. The next prime is 23131332011477. The reversal of 23131332011429 is 92411023313132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19618432732900 + 3512899278529 = 4429270^2 + 1874273^2 .

It is a cyclic number.

It is not a de Polignac number, because 23131332011429 - 2²⁴ = 23131315234213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23131332011479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11565666005714 + 11565666005715.

It is an arithmetic number, because the mean of its divisors is an integer number (11565666005715).

Almost surely, 2^{23131332011429} is an apocalyptic number.

It is an amenable number.

23131332011429 is a deficient number, since it is larger than the sum of its proper divisors (1).

23131332011429 is an equidigital number, since it uses as much as digits as its factorization.

23131332011429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 35.

The spelling of 23131332011429 in words is "twenty-three trillion, one hundred thirty-one billion, three hundred thirty-two million, eleven thousand, four hundred twenty-nine".