423402144022 has 16 divisors (see below), whose sum is σ = 746135247312. Its totient is φ = 177651249120.

The previous prime is 423402144017. The next prime is 423402144023. The reversal of 423402144022 is 220441204324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423402144023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 740213253 + ... + 740213824.

It is an arithmetic number, because the mean of its divisors is an integer number (46633452957).

Almost surely, 2^423402144022 is an apocalyptic number.

423402144022 is a deficient number, since it is larger than the sum of its proper divisors (322733103290).

423402144022 is a wasteful number, since it uses less digits than its factorization.

423402144022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1480427103.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 423402144022 its reverse (220441204324), we get a palindrome (643843348346).

The spelling of 423402144022 in words is "four hundred twenty-three billion, four hundred two million, one hundred forty-four thousand, twenty-two".