423320321134003 has 2 divisors, whose sum is σ = 423320321134004. Its totient is φ = 423320321134002.

The previous prime is 423320321133977. The next prime is 423320321134027. The reversal of 423320321134003 is 300431123023324.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 423320321134003 - 2⁴¹ = 421121297878451 is a prime.

It is not a weakly prime, because it can be changed into another prime (423320321134703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211660160567001 + 211660160567002.

It is an arithmetic number, because the mean of its divisors is an integer number (211660160567002).

Almost surely, 2^{423320321134003} is an apocalyptic number.

423320321134003 is a deficient number, since it is larger than the sum of its proper divisors (1).

423320321134003 is an equidigital number, since it uses as much as digits as its factorization.

423320321134003 is an evil number, because the sum of its binary digits is even.

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

Adding to 423320321134003 its reverse (300431123023324), we get a palindrome (723751444157327).

It can be divided in two parts, 423320321 and 134003, that added together give a palindrome (423454324).

The spelling of 423320321134003 in words is "four hundred twenty-three trillion, three hundred twenty billion, three hundred twenty-one million, one hundred thirty-four thousand, three".