423334430312 has 8 divisors (see below), whose sum is σ = 793752056850. Its totient is φ = 211667215152.

The previous prime is 423334430297. The next prime is 423334430341. The reversal of 423334430312 is 213034433324.

It can be written as a sum of positive squares in only one way, i.e., 422975933956 + 358496356 = 650366^2 + 18934^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26458401887 + ... + 26458401902.

Almost surely, 2^423334430312 is an apocalyptic number.

It is an amenable number.

423334430312 is a deficient number, since it is larger than the sum of its proper divisors (370417626538).

423334430312 is a wasteful number, since it uses less digits than its factorization.

423334430312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52916803795 (or 52916803791 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 32.

Adding to 423334430312 its reverse (213034433324), we get a palindrome (636368863636).

The spelling of 423334430312 in words is "four hundred twenty-three billion, three hundred thirty-four million, four hundred thirty thousand, three hundred twelve".