33423432434 has 24 divisors (see below), whose sum is σ = 58361422428. Its totient is φ = 14314272000.

The previous prime is 33423432401. The next prime is 33423432439. The reversal of 33423432434 is 43423432433.

It can be written as a sum of positive squares in 2 ways, for example, as 32059976809 + 1363455625 = 179053^2 + 36925^2 .

It is a super-2 number, since 2×33423432434² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33423432394 and 33423432403.

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

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21434 + ... + 259434.

Almost surely, 2^33423432434 is an apocalyptic number.

33423432434 is a deficient number, since it is larger than the sum of its proper divisors (24937989994).

33423432434 is a wasteful number, since it uses less digits than its factorization.

33423432434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239450 (or 239443 counting only the distinct ones).

The product of its digits is 248832, while the sum is 35.

Adding to 33423432434 its reverse (43423432433), we get a palindrome (76846864867).

Subtracting 33423432434 from its reverse (43423432433), we obtain a palindrome (9999999999).

The spelling of 33423432434 in words is "thirty-three billion, four hundred twenty-three million, four hundred thirty-two thousand, four hundred thirty-four".