123133113101203 has 4 divisors (see below), whose sum is σ = 123133138790920. Its totient is φ = 123133087411488.

The previous prime is 123133113100993. The next prime is 123133113101261. The reversal of 123133113101203 is 302101311331321.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123133113101203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123133113101303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3282150 + ... + 16032427.

It is an arithmetic number, because the mean of its divisors is an integer number (30783284697730).

Almost surely, 2^{123133113101203} is an apocalyptic number.

123133113101203 is a deficient number, since it is larger than the sum of its proper divisors (25689717).

123133113101203 is an equidigital number, since it uses as much as digits as its factorization.

123133113101203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25689716.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 123133113101203 its reverse (302101311331321), we get a palindrome (425234424432524).

The spelling of 123133113101203 in words is "one hundred twenty-three trillion, one hundred thirty-three billion, one hundred thirteen million, one hundred one thousand, two hundred three".