423312213323 has 2 divisors, whose sum is σ = 423312213324. Its totient is φ = 423312213322.

The previous prime is 423312213307. The next prime is 423312213349. The reversal of 423312213323 is 323312213324.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 423312213323 - 2⁴ = 423312213307 is a prime.

It is not a weakly prime, because it can be changed into another prime (423312213383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211656106661 + 211656106662.

It is an arithmetic number, because the mean of its divisors is an integer number (211656106662).

Almost surely, 2^423312213323 is an apocalyptic number.

423312213323 is a deficient number, since it is larger than the sum of its proper divisors (1).

423312213323 is an equidigital number, since it uses as much as digits as its factorization.

423312213323 is an evil number, because the sum of its binary digits is even.

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

Adding to 423312213323 its reverse (323312213324), we get a palindrome (746624426647).

Subtracting from 423312213323 its reverse (323312213324), we obtain a palindrome (99999999999).

The spelling of 423312213323 in words is "four hundred twenty-three billion, three hundred twelve million, two hundred thirteen thousand, three hundred twenty-three".