123011322102013 has 4 divisors (see below), whose sum is σ = 124493386223808. Its totient is φ = 121529257980220.

The previous prime is 123011322101981. The next prime is 123011322102029. The reversal of 123011322102013 is 310201223110321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 123011322102013 - 2⁵ = 123011322101981 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 (123011322102043) 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, 741032060773 + ... + 741032060938.

It is an arithmetic number, because the mean of its divisors is an integer number (31123346555952).

Almost surely, 2^{123011322102013} is an apocalyptic number.

It is an amenable number.

123011322102013 is a deficient number, since it is larger than the sum of its proper divisors (1482064121795).

123011322102013 is an equidigital number, since it uses as much as digits as its factorization.

123011322102013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482064121794.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 123011322102013 its reverse (310201223110321), we get a palindrome (433212545212334).

The spelling of 123011322102013 in words is "one hundred twenty-three trillion, eleven billion, three hundred twenty-two million, one hundred two thousand, thirteen".