123011134400311 has 2 divisors, whose sum is σ = 123011134400312. Its totient is φ = 123011134400310.

The previous prime is 123011134400293. The next prime is 123011134400317. The reversal of 123011134400311 is 113004431110321.

It is a strong prime.

It is an emirp because it is prime and its reverse (113004431110321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123011134400311 - 2¹¹ = 123011134398263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123011134400317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61505567200155 + 61505567200156.

It is an arithmetic number, because the mean of its divisors is an integer number (61505567200156).

Almost surely, 2^{123011134400311} is an apocalyptic number.

123011134400311 is a deficient number, since it is larger than the sum of its proper divisors (1).

123011134400311 is an equidigital number, since it uses as much as digits as its factorization.

123011134400311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 123011134400311 its reverse (113004431110321), we get a palindrome (236015565510632).

The spelling of 123011134400311 in words is "one hundred twenty-three trillion, eleven billion, one hundred thirty-four million, four hundred thousand, three hundred eleven".