33423412 has 12 divisors (see below), whose sum is σ = 63808416. Its totient is φ = 15192440.

The previous prime is 33423409. The next prime is 33423431. The reversal of 33423412 is 21432433.

It is a happy number.

It is a super-2 number, since 2×33423412² = 2234248939443488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 379768 + ... + 379855.

It is an arithmetic number, because the mean of its divisors is an integer number (5317368).

Almost surely, 2^33423412 is an apocalyptic number.

It is an amenable number.

33423412 is a deficient number, since it is larger than the sum of its proper divisors (30385004).

33423412 is a wasteful number, since it uses less digits than its factorization.

33423412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759638 (or 759636 counting only the distinct ones).

The product of its digits is 1728, while the sum is 22.

The square root of 33423412 is about 5781.2984700671. The cubic root of 33423412 is about 322.1194341100.

Adding to 33423412 its reverse (21432433), we get a palindrome (54855845).

The spelling of 33423412 in words is "thirty-three million, four hundred twenty-three thousand, four hundred twelve".