123345045232999 has 4 divisors (see below), whose sum is σ = 123662127611880. Its totient is φ = 123027962854120.

The previous prime is 123345045232987. The next prime is 123345045233023. The reversal of 123345045232999 is 999232540543321.

It is a happy number.

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-123345045232999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123345045232099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158541188857 + ... + 158541189634.

It is an arithmetic number, because the mean of its divisors is an integer number (30915531902970).

Almost surely, 2^{123345045232999} is an apocalyptic number.

123345045232999 is a deficient number, since it is larger than the sum of its proper divisors (317082378881).

123345045232999 is an equidigital number, since it uses as much as digits as its factorization.

123345045232999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317082378880.

The product of its (nonzero) digits is 62985600, while the sum is 61.

The spelling of 123345045232999 in words is "one hundred twenty-three trillion, three hundred forty-five billion, forty-five million, two hundred thirty-two thousand, nine hundred ninety-nine".