123314335245509 has 4 divisors (see below), whose sum is σ = 123394253805216. Its totient is φ = 123234416685804.

The previous prime is 123314335245499. The next prime is 123314335245557. The reversal of 123314335245509 is 905542533413321.

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 123314335245509 - 2¹² = 123314335241413 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123314335248509) 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, 39959277539 + ... + 39959280624.

It is an arithmetic number, because the mean of its divisors is an integer number (30848563451304).

Almost surely, 2^{123314335245509} is an apocalyptic number.

It is an amenable number.

123314335245509 is a deficient number, since it is larger than the sum of its proper divisors (79918559707).

123314335245509 is an equidigital number, since it uses as much as digits as its factorization.

123314335245509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79918559706.

The product of its (nonzero) digits is 5832000, while the sum is 50.

The spelling of 123314335245509 in words is "one hundred twenty-three trillion, three hundred fourteen billion, three hundred thirty-five million, two hundred forty-five thousand, five hundred nine".