123131033401003 has 4 divisors (see below), whose sum is σ = 123131151825120. Its totient is φ = 123130914976888.

The previous prime is 123131033400989. The next prime is 123131033401031. The reversal of 123131033401003 is 300104330131321.

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-123131033401003 is a prime.

It is a super-2 number, since 2×123131033401003² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123131033401603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57638500 + ... + 59736577.

It is an arithmetic number, because the mean of its divisors is an integer number (30782787956280).

Almost surely, 2^{123131033401003} is an apocalyptic number.

123131033401003 is a deficient number, since it is larger than the sum of its proper divisors (118424117).

123131033401003 is a wasteful number, since it uses less digits than its factorization.

123131033401003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118424116.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 123131033401003 its reverse (300104330131321), we get a palindrome (423235363532324).

The spelling of 123131033401003 in words is "one hundred twenty-three trillion, one hundred thirty-one billion, thirty-three million, four hundred one thousand, three".