123132122103 has 16 divisors (see below), whose sum is σ = 166277422080. Its totient is φ = 81037740576.

The previous prime is 123132122093. The next prime is 123132122123. The reversal of 123132122103 is 301221231321.

It is a de Polignac number, because none of the positive numbers 2^k-123132122103 is a prime.

It is a super-2 number, since 2×123132122103² (a number of 23 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 123132122103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123132122123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1891726 + ... + 1955732.

It is an arithmetic number, because the mean of its divisors is an integer number (10392338880).

Almost surely, 2^123132122103 is an apocalyptic number.

123132122103 is a deficient number, since it is larger than the sum of its proper divisors (43145299977).

123132122103 is an equidigital number, since it uses as much as digits as its factorization.

123132122103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72206.

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

Adding to 123132122103 its reverse (301221231321), we get a palindrome (424353353424).

The spelling of 123132122103 in words is "one hundred twenty-three billion, one hundred thirty-two million, one hundred twenty-two thousand, one hundred three".