123132100013123 has 4 divisors (see below), whose sum is σ = 123132132191808. Its totient is φ = 123132067834440.

The previous prime is 123132100013093. The next prime is 123132100013129. The reversal of 123132100013123 is 321310001231321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 123132100013123 - 2¹² = 123132100009027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123132100013129) 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, 9431123 + ... + 18308748.

It is an arithmetic number, because the mean of its divisors is an integer number (30783033047952).

Almost surely, 2^{123132100013123} is an apocalyptic number.

123132100013123 is a deficient number, since it is larger than the sum of its proper divisors (32178685).

123132100013123 is an equidigital number, since it uses as much as digits as its factorization.

123132100013123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32178684.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 123132100013123 its reverse (321310001231321), we get a palindrome (444442101244444).

The spelling of 123132100013123 in words is "one hundred twenty-three trillion, one hundred thirty-two billion, one hundred million, thirteen thousand, one hundred twenty-three".