123204214222321 has 4 divisors (see below), whose sum is σ = 123204276803700. Its totient is φ = 123204151640944.

The previous prime is 123204214222289. The next prime is 123204214222381. The reversal of 123204214222321 is 123222412402321.

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

It can be written as a sum of positive squares in 2 ways, for example, as 26286785260096 + 96917428962225 = 5127064^2 + 9844665^2 .

It is a cyclic number.

It is not a de Polignac number, because 123204214222321 - 2⁵ = 123204214222289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123204214222381) 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, 28238386 + ... + 32308123.

It is an arithmetic number, because the mean of its divisors is an integer number (30801069200925).

Almost surely, 2^{123204214222321} is an apocalyptic number.

It is an amenable number.

123204214222321 is a deficient number, since it is larger than the sum of its proper divisors (62581379).

123204214222321 is an equidigital number, since it uses as much as digits as its factorization.

123204214222321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62581378.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 123204214222321 its reverse (123222412402321), we get a palindrome (246426626624642).

The spelling of 123204214222321 in words is "one hundred twenty-three trillion, two hundred four billion, two hundred fourteen million, two hundred twenty-two thousand, three hundred twenty-one".