423123412422 has 16 divisors (see below), whose sum is σ = 858165795072. Its totient is φ = 139054642440.

The previous prime is 423123412409. The next prime is 423123412423. The reversal of 423123412422 is 224214321324.

It is a self number, because there is not a number n which added to its sum of digits gives 423123412422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423123412423) 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, 496623298 + ... + 496624149.

It is an arithmetic number, because the mean of its divisors is an integer number (53635362192).

Almost surely, 2^423123412422 is an apocalyptic number.

423123412422 is an abundant number, since it is smaller than the sum of its proper divisors (435042382650).

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

423123412422 is a wasteful number, since it uses less digits than its factorization.

423123412422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993247523.

The product of its digits is 18432, while the sum is 30.

Adding to 423123412422 its reverse (224214321324), we get a palindrome (647337733746).

The spelling of 423123412422 in words is "four hundred twenty-three billion, one hundred twenty-three million, four hundred twelve thousand, four hundred twenty-two".