123412361131 has 2 divisors, whose sum is σ = 123412361132. Its totient is φ = 123412361130.

The previous prime is 123412360991. The next prime is 123412361141. The reversal of 123412361131 is 131163214321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123412361131 - 2³³ = 114822426539 is a prime.

It is a super-2 number, since 2×123412361131² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 123412361131.

It is not a weakly prime, because it can be changed into another prime (123412361141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61706180565 + 61706180566.

It is an arithmetic number, because the mean of its divisors is an integer number (61706180566).

Almost surely, 2^123412361131 is an apocalyptic number.

123412361131 is a deficient number, since it is larger than the sum of its proper divisors (1).

123412361131 is an equidigital number, since it uses as much as digits as its factorization.

123412361131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 28.

Adding to 123412361131 its reverse (131163214321), we get a palindrome (254575575452).

The spelling of 123412361131 in words is "one hundred twenty-three billion, four hundred twelve million, three hundred sixty-one thousand, one hundred thirty-one".