123331404130133 has 4 divisors (see below), whose sum is σ = 123334931850348. Its totient is φ = 123327876409920.

The previous prime is 123331404130079. The next prime is 123331404130157. The reversal of 123331404130133 is 331031404133321.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 69268883320849 + 54062520809284 = 8322793^2 + 7352722^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123331404130133 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123331404130133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123331404138133) 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, 1763807666 + ... + 1763877587.

It is an arithmetic number, because the mean of its divisors is an integer number (30833732962587).

Almost surely, 2^{123331404130133} is an apocalyptic number.

It is an amenable number.

123331404130133 is a deficient number, since it is larger than the sum of its proper divisors (3527720215).

123331404130133 is an equidigital number, since it uses as much as digits as its factorization.

123331404130133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3527720214.

The product of its (nonzero) digits is 23328, while the sum is 32.

Adding to 123331404130133 its reverse (331031404133321), we get a palindrome (454362808263454).

The spelling of 123331404130133 in words is "one hundred twenty-three trillion, three hundred thirty-one billion, four hundred four million, one hundred thirty thousand, one hundred thirty-three".