123113100312011 has 8 divisors (see below), whose sum is σ = 125752018681344. Its totient is φ = 120474994055400.

The previous prime is 123113100312001. The next prime is 123113100312017. The reversal of 123113100312011 is 110213001311321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123113100312011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123113100312017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202721735 + ... + 203328128.

It is an arithmetic number, because the mean of its divisors is an integer number (15719002335168).

Almost surely, 2^{123113100312011} is an apocalyptic number.

123113100312011 is a deficient number, since it is larger than the sum of its proper divisors (2638918369333).

123113100312011 is an equidigital number, since it uses as much as digits as its factorization.

123113100312011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406056361.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 123113100312011 its reverse (110213001311321), we get a palindrome (233326101623332).

The spelling of 123113100312011 in words is "one hundred twenty-three trillion, one hundred thirteen billion, one hundred million, three hundred twelve thousand, eleven".