423402122244 has 24 divisors (see below), whose sum is σ = 989650499488. Its totient is φ = 140889438720.

The previous prime is 423402122243. The next prime is 423402122251. The reversal of 423402122244 is 442221204324.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (423402122243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30568042 + ... + 30581889.

Almost surely, 2^423402122244 is an apocalyptic number.

It is an amenable number.

423402122244 is an abundant number, since it is smaller than the sum of its proper divisors (566248377244).

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

423402122244 is a wasteful number, since it uses less digits than its factorization.

423402122244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61150515 (or 61150513 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 423402122244 its reverse (442221204324), we get a palindrome (865623326568).

The spelling of 423402122244 in words is "four hundred twenty-three billion, four hundred two million, one hundred twenty-two thousand, two hundred forty-four".