423304110122502 has 128 divisors (see below), whose sum is σ = 1030109097600000. Its totient is φ = 113274521321472.

The previous prime is 423304110122477. The next prime is 423304110122557. The reversal of 423304110122502 is 205221011403324.

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 423304110122502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 33635574 + ... + 44474262.

It is an arithmetic number, because the mean of its divisors is an integer number (8047727325000).

Almost surely, 2^{423304110122502} is an apocalyptic number.

423304110122502 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 423304110122502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (515054548800000).

423304110122502 is an abundant number, since it is smaller than the sum of its proper divisors (606804987477498).

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

423304110122502 is a wasteful number, since it uses less digits than its factorization.

423304110122502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10839278.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 423304110122502 its reverse (205221011403324), we get a palindrome (628525121525826).

The spelling of 423304110122502 in words is "four hundred twenty-three trillion, three hundred four billion, one hundred ten million, one hundred twenty-two thousand, five hundred two".