123202323322123 has 4 divisors (see below), whose sum is σ = 123740324734240. Its totient is φ = 122664321910008.

The previous prime is 123202323321989. The next prime is 123202323322159. The reversal of 123202323322123 is 321223323202321.

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

It is a cyclic number.

It is not a de Polignac number, because 123202323322123 - 2²¹ = 123202321224971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123202323322423) 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, 269000705715 + ... + 269000706172.

It is an arithmetic number, because the mean of its divisors is an integer number (30935081183560).

Almost surely, 2^{123202323322123} is an apocalyptic number.

123202323322123 is a deficient number, since it is larger than the sum of its proper divisors (538001412117).

123202323322123 is an equidigital number, since it uses as much as digits as its factorization.

123202323322123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538001412116.

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 123202323322123 its reverse (321223323202321), we get a palindrome (444425646524444).

The spelling of 123202323322123 in words is "one hundred twenty-three trillion, two hundred two billion, three hundred twenty-three million, three hundred twenty-two thousand, one hundred twenty-three".