3423420817128 has 96 divisors (see below), whose sum is σ = 10044060553800. Its totient is φ = 1053360202752.

The previous prime is 3423420817081. The next prime is 3423420817163. The reversal of 3423420817128 is 8217180243243.

3423420817128 is a `hidden beast` number, since 3 + 4 + 23 + 420 + 81 + 7 + 128 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 37018529604 + 3386402287524 = 192402^2 + 1840218^2 .

It is a super-2 number, since 2×3423420817128² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10662825 + ... + 10979192.

Almost surely, 2^{3423420817128} is an apocalyptic number.

It is an amenable number.

3423420817128 is an abundant number, since it is smaller than the sum of its proper divisors (6620639736672).

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

3423420817128 is a wasteful number, since it uses less digits than its factorization.

3423420817128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21642068 (or 21642035 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The spelling of 3423420817128 in words is "three trillion, four hundred twenty-three billion, four hundred twenty million, eight hundred seventeen thousand, one hundred twenty-eight".