123243351311101 has 32 divisors (see below), whose sum is σ = 150619262289408. Its totient is φ = 98438343413760.

The previous prime is 123243351311063. The next prime is 123243351311123. The reversal of 123243351311101 is 101113153342321.

It is a happy number.

It is not a de Polignac number, because 123243351311101 - 2⁷ = 123243351310973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123243351311141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7458585 + ... + 17381518.

It is an arithmetic number, because the mean of its divisors is an integer number (4706851946544).

Almost surely, 2^{123243351311101} is an apocalyptic number.

It is an amenable number.

123243351311101 is a deficient number, since it is larger than the sum of its proper divisors (27375910978307).

123243351311101 is a wasteful number, since it uses less digits than its factorization.

123243351311101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24840541.

The product of its (nonzero) digits is 6480, while the sum is 31.

The spelling of 123243351311101 in words is "one hundred twenty-three trillion, two hundred forty-three billion, three hundred fifty-one million, three hundred eleven thousand, one hundred one".