33423432432 has 80 divisors (see below), whose sum is σ = 93888657408. Its totient is φ = 10184267520.

The previous prime is 33423432401. The next prime is 33423432439. The reversal of 33423432432 is 23423432433.

It is a super-2 number, since 2×33423432432² (a number of 22 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 33423432393 and 33423432402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33423432439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195744 + ... + 324287.

Almost surely, 2^33423432432 is an apocalyptic number.

It is an amenable number.

33423432432 is an abundant number, since it is smaller than the sum of its proper divisors (60465224976).

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

33423432432 is a wasteful number, since it uses less digits than its factorization.

33423432432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520158 (or 520152 counting only the distinct ones).

The product of its digits is 124416, while the sum is 33.

Adding to 33423432432 its reverse (23423432433), we get a palindrome (56846864865).

Subtracting from 33423432432 its reverse (23423432433), we obtain a palindrome (9999999999).

The spelling of 33423432432 in words is "thirty-three billion, four hundred twenty-three million, four hundred thirty-two thousand, four hundred thirty-two".