33423132 has 12 divisors (see below), whose sum is σ = 77987336. Its totient is φ = 11141040.

The previous prime is 33423121. The next prime is 33423197. The reversal of 33423132 is 23132433.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×33423132² = 2234211505378848, which 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 = 33423099 and 33423108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1392619 + ... + 1392642.

Almost surely, 2^33423132 is an apocalyptic number.

It is an amenable number.

33423132 is an abundant number, since it is smaller than the sum of its proper divisors (44564204).

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

33423132 is a wasteful number, since it uses less digits than its factorization.

33423132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2785268 (or 2785266 counting only the distinct ones).

The product of its digits is 1296, while the sum is 21.

The square root of 33423132 is about 5781.2742540032. The cubic root of 33423132 is about 322.1185346039.

Adding to 33423132 its reverse (23132433), we get a palindrome (56555565).

The spelling of 33423132 in words is "thirty-three million, four hundred twenty-three thousand, one hundred thirty-two".