123011023202113 has 4 divisors (see below), whose sum is σ = 123011045434368. Its totient is φ = 123011000969860.

The previous prime is 123011023202071. The next prime is 123011023202141. The reversal of 123011023202113 is 311202320110321.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 123011023202113 - 2¹³ = 123011023193921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123011023208113) 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, 4438320 + ... + 16300942.

It is an arithmetic number, because the mean of its divisors is an integer number (30752761358592).

Almost surely, 2^{123011023202113} is an apocalyptic number.

It is an amenable number.

123011023202113 is a deficient number, since it is larger than the sum of its proper divisors (22232255).

123011023202113 is a wasteful number, since it uses less digits than its factorization.

123011023202113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22232254.

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

Adding to 123011023202113 its reverse (311202320110321), we get a palindrome (434213343312434).

The spelling of 123011023202113 in words is "one hundred twenty-three trillion, eleven billion, twenty-three million, two hundred two thousand, one hundred thirteen".