423648568912 has 10 divisors (see below), whose sum is σ = 820819102298. Its totient is φ = 211824284448.

The previous prime is 423648568907. The next prime is 423648568961. The reversal of 423648568912 is 219865846324.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 418070869056 + 5577699856 = 646584^2 + 74684^2 .

It is a super-2 number, since 2×423648568912² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13239017763 + ... + 13239017794.

Almost surely, 2^423648568912 is an apocalyptic number.

It is an amenable number.

423648568912 is a deficient number, since it is larger than the sum of its proper divisors (397170533386).

423648568912 is a wasteful number, since it uses less digits than its factorization.

423648568912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26478035565 (or 26478035559 counting only the distinct ones).

The product of its digits is 19906560, while the sum is 58.

The spelling of 423648568912 in words is "four hundred twenty-three billion, six hundred forty-eight million, five hundred sixty-eight thousand, nine hundred twelve".