23433273131 has 2 divisors, whose sum is σ = 23433273132. Its totient is φ = 23433273130.

The previous prime is 23433273119. The next prime is 23433273133. The reversal of 23433273131 is 13137233432.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23433273131 is a prime.

It is a super-2 number, since 2×23433273131² (a number of 22 digits) contains 22 as substring.

Together with 23433273133, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23433273133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11716636565 + 11716636566.

It is an arithmetic number, because the mean of its divisors is an integer number (11716636566).

Almost surely, 2^23433273131 is an apocalyptic number.

23433273131 is a deficient number, since it is larger than the sum of its proper divisors (1).

23433273131 is an equidigital number, since it uses as much as digits as its factorization.

23433273131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 32.

The spelling of 23433273131 in words is "twenty-three billion, four hundred thirty-three million, two hundred seventy-three thousand, one hundred thirty-one".