123031333040233 has 16 divisors (see below), whose sum is σ = 131332430332800. Its totient is φ = 114912855308160.

The previous prime is 123031333040179. The next prime is 123031333040249. The reversal of 123031333040233 is 332040333130321.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123031333040233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123031333040195 and 123031333040204.

It is not an unprimeable number, because it can be changed into a prime (123031333040263) 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 15 ways as a sum of consecutive naturals, for example, 109558885 + ... + 110676157.

It is an arithmetic number, because the mean of its divisors is an integer number (8208276895800).

Almost surely, 2^{123031333040233} is an apocalyptic number.

It is an amenable number.

123031333040233 is a deficient number, since it is larger than the sum of its proper divisors (8301097292567).

123031333040233 is a wasteful number, since it uses less digits than its factorization.

123031333040233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1198992.

The product of its (nonzero) digits is 34992, while the sum is 31.

Adding to 123031333040233 its reverse (332040333130321), we get a palindrome (455071666170554).

The spelling of 123031333040233 in words is "one hundred twenty-three trillion, thirty-one billion, three hundred thirty-three million, forty thousand, two hundred thirty-three".