423332344423 has 4 divisors (see below), whose sum is σ = 423335341120. Its totient is φ = 423329347728.

The previous prime is 423332344397. The next prime is 423332344447. The reversal of 423332344423 is 324443233324.

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 423332344423 - 2²¹ = 423330247271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423332344823) 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, 1275390 + ... + 1572667.

It is an arithmetic number, because the mean of its divisors is an integer number (105833835280).

Almost surely, 2^423332344423 is an apocalyptic number.

423332344423 is a deficient number, since it is larger than the sum of its proper divisors (2996697).

423332344423 is a wasteful number, since it uses less digits than its factorization.

423332344423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2996696.

The product of its digits is 497664, while the sum is 37.

Adding to 423332344423 its reverse (324443233324), we get a palindrome (747775577747).

The spelling of 423332344423 in words is "four hundred twenty-three billion, three hundred thirty-two million, three hundred forty-four thousand, four hundred twenty-three".