123011022320103 has 32 divisors (see below), whose sum is σ = 173155340355840. Its totient is φ = 77462773597440.

The previous prime is 123011022320083. The next prime is 123011022320117. The reversal of 123011022320103 is 301023220110321.

It is not a de Polignac number, because 123011022320103 - 2⁸ = 123011022319847 is a prime.

It is a super-2 number, since 2×123011022320103² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 123011022320103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123011022327103) 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, 24312688 + ... + 28933178.

It is an arithmetic number, because the mean of its divisors is an integer number (5411104386120).

Almost surely, 2^{123011022320103} is an apocalyptic number.

123011022320103 is a deficient number, since it is larger than the sum of its proper divisors (50144318035737).

123011022320103 is a wasteful number, since it uses less digits than its factorization.

123011022320103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4621887.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 123011022320103 its reverse (301023220110321), we get a palindrome (424034242430424).

The spelling of 123011022320103 in words is "one hundred twenty-three trillion, eleven billion, twenty-two million, three hundred twenty thousand, one hundred three".