123431114313011 has 4 divisors (see below), whose sum is σ = 123431143968000. Its totient is φ = 123431084658024.

The previous prime is 123431114312951. The next prime is 123431114313037. The reversal of 123431114313011 is 110313411134321.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 123431114313011 - 2²² = 123431110118707 is a prime.

It is a super-2 number, since 2×123431114313011² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123431114373011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7315571 + ... + 17331468.

It is an arithmetic number, because the mean of its divisors is an integer number (30857785992000).

Almost surely, 2^{123431114313011} is an apocalyptic number.

123431114313011 is a deficient number, since it is larger than the sum of its proper divisors (29654989).

123431114313011 is an equidigital number, since it uses as much as digits as its factorization.

123431114313011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29654988.

The product of its (nonzero) digits is 2592, while the sum is 29.

Adding to 123431114313011 its reverse (110313411134321), we get a palindrome (233744525447332).

The spelling of 123431114313011 in words is "one hundred twenty-three trillion, four hundred thirty-one billion, one hundred fourteen million, three hundred thirteen thousand, eleven".