423342442399 has 4 divisors (see below), whose sum is σ = 423898740720. Its totient is φ = 422786144080.

The previous prime is 423342442361. The next prime is 423342442429. The reversal of 423342442399 is 993244243324.

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 423342442399 - 2¹¹ = 423342440351 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 (423342442339) 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, 278148019 + ... + 278149540.

It is an arithmetic number, because the mean of its divisors is an integer number (105974685180).

Almost surely, 2^423342442399 is an apocalyptic number.

423342442399 is a deficient number, since it is larger than the sum of its proper divisors (556298321).

423342442399 is an equidigital number, since it uses as much as digits as its factorization.

423342442399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556298320.

The product of its digits is 4478976, while the sum is 49.

The spelling of 423342442399 in words is "four hundred twenty-three billion, three hundred forty-two million, four hundred forty-two thousand, three hundred ninety-nine".