422323144013 has 4 divisors (see below), whose sum is σ = 426197668380. Its totient is φ = 418448619648.

The previous prime is 422323144003. The next prime is 422323144051. The reversal of 422323144013 is 310441323224.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 259770644329 + 162552499684 = 509677^2 + 403178^2 .

It is a cyclic number.

It is not a de Polignac number, because 422323144013 - 2²² = 422318949709 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 (422323144003) 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, 1937262020 + ... + 1937262237.

It is an arithmetic number, because the mean of its divisors is an integer number (106549417095).

Almost surely, 2^422323144013 is an apocalyptic number.

It is an amenable number.

422323144013 is a deficient number, since it is larger than the sum of its proper divisors (3874524367).

422323144013 is a wasteful number, since it uses less digits than its factorization.

422323144013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3874524366.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 422323144013 its reverse (310441323224), we get a palindrome (732764467237).

The spelling of 422323144013 in words is "four hundred twenty-two billion, three hundred twenty-three million, one hundred forty-four thousand, thirteen".