131533879823 has 2 divisors, whose sum is σ = 131533879824. Its totient is φ = 131533879822.

The previous prime is 131533879753. The next prime is 131533879861. The reversal of 131533879823 is 328978335131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131533879823 - 2¹² = 131533875727 is a prime.

It is a super-2 number, since 2×131533879823² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131533879223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65766939911 + 65766939912.

It is an arithmetic number, because the mean of its divisors is an integer number (65766939912).

Almost surely, 2^131533879823 is an apocalyptic number.

131533879823 is a deficient number, since it is larger than the sum of its proper divisors (1).

131533879823 is an equidigital number, since it uses as much as digits as its factorization.

131533879823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3265920, while the sum is 53.

The spelling of 131533879823 in words is "one hundred thirty-one billion, five hundred thirty-three million, eight hundred seventy-nine thousand, eight hundred twenty-three".