423322122142 has 16 divisors (see below), whose sum is σ = 639169873920. Its totient is φ = 210266681112.

The previous prime is 423322122121. The next prime is 423322122149. The reversal of 423322122142 is 241221223324.

It is a self number, because there is not a number n which added to its sum of digits gives 423322122142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423322122149) 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, 423459 + ... + 1012897.

It is an arithmetic number, because the mean of its divisors is an integer number (39948117120).

Almost surely, 2^423322122142 is an apocalyptic number.

423322122142 is a deficient number, since it is larger than the sum of its proper divisors (215847751778).

423322122142 is a wasteful number, since it uses less digits than its factorization.

423322122142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591807.

The product of its digits is 9216, while the sum is 28.

Adding to 423322122142 its reverse (241221223324), we get a palindrome (664543345466).

The spelling of 423322122142 in words is "four hundred twenty-three billion, three hundred twenty-two million, one hundred twenty-two thousand, one hundred forty-two".