123331132033201 has 4 divisors (see below), whose sum is σ = 123332823728752. Its totient is φ = 123329440337652.

The previous prime is 123331132033183. The next prime is 123331132033211. The reversal of 123331132033201 is 102330231133321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 123331132033201 - 2⁵ = 123331132033169 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 123331132033201.

It is not an unprimeable number, because it can be changed into a prime (123331132033211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 845738415 + ... + 845884228.

It is an arithmetic number, because the mean of its divisors is an integer number (30833205932188).

Almost surely, 2^{123331132033201} is an apocalyptic number.

It is an amenable number.

123331132033201 is a deficient number, since it is larger than the sum of its proper divisors (1691695551).

123331132033201 is an equidigital number, since it uses as much as digits as its factorization.

123331132033201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691695550.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 123331132033201 its reverse (102330231133321), we get a palindrome (225661363166522).

The spelling of 123331132033201 in words is "one hundred twenty-three trillion, three hundred thirty-one billion, one hundred thirty-two million, thirty-three thousand, two hundred one".