423342400223 has 4 divisors (see below), whose sum is σ = 424952067408. Its totient is φ = 421732733040.

The previous prime is 423342400163. The next prime is 423342400237. The reversal of 423342400223 is 322004243324.

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 423342400223 - 2⁸ = 423342399967 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 (423342400423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 804833198 + ... + 804833723.

It is an arithmetic number, because the mean of its divisors is an integer number (106238016852).

Almost surely, 2^423342400223 is an apocalyptic number.

423342400223 is a deficient number, since it is larger than the sum of its proper divisors (1609667185).

423342400223 is a wasteful number, since it uses less digits than its factorization.

423342400223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1609667184.

The product of its (nonzero) digits is 27648, while the sum is 29.

Adding to 423342400223 its reverse (322004243324), we get a palindrome (745346643547).

The spelling of 423342400223 in words is "four hundred twenty-three billion, three hundred forty-two million, four hundred thousand, two hundred twenty-three".