1423143121422 has 64 divisors (see below), whose sum is σ = 3189234772224. Its totient is φ = 419563722240.

The previous prime is 1423143121409. The next prime is 1423143121441. The reversal of 1423143121422 is 2241213413241.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1423143121422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44176773 + ... + 44208975.

It is an arithmetic number, because the mean of its divisors is an integer number (49831793316).

Almost surely, 2^{1423143121422} is an apocalyptic number.

1423143121422 is an abundant number, since it is smaller than the sum of its proper divisors (1766091650802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1423143121422 is a wasteful number, since it uses less digits than its factorization.

1423143121422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50353.

The product of its digits is 9216, while the sum is 30.

Adding to 1423143121422 its reverse (2241213413241), we get a palindrome (3664356534663).

The spelling of 1423143121422 in words is "one trillion, four hundred twenty-three billion, one hundred forty-three million, one hundred twenty-one thousand, four hundred twenty-two".