423321123323 has 4 divisors (see below), whose sum is σ = 483795569520. Its totient is φ = 362846677128.

The previous prime is 423321123263. The next prime is 423321123361. The reversal of 423321123323 is 323321123324.

It is a happy number.

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 423321123323 - 2⁸ = 423321123067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423321123373) 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, 30237223088 + ... + 30237223101.

It is an arithmetic number, because the mean of its divisors is an integer number (120948892380).

Almost surely, 2^423321123323 is an apocalyptic number.

423321123323 is a deficient number, since it is larger than the sum of its proper divisors (60474446197).

423321123323 is an equidigital number, since it uses as much as digits as its factorization.

423321123323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60474446196.

The product of its digits is 15552, while the sum is 29.

Adding to 423321123323 its reverse (323321123324), we get a palindrome (746642246647).

Subtracting from 423321123323 its reverse (323321123324), we obtain a palindrome (99999999999).

The spelling of 423321123323 in words is "four hundred twenty-three billion, three hundred twenty-one million, one hundred twenty-three thousand, three hundred twenty-three".