33423402 has 8 divisors (see below), whose sum is σ = 66846816. Its totient is φ = 11141132.

The previous prime is 33423391. The next prime is 33423409. The reversal of 33423402 is 20432433.

It is a sphenic number, since it is the product of 3 distinct primes.

33423402 is an admirable number.

It is a super-2 number, since 2×33423402² = 2234247602507208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33423409) by changing a digit.

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, 2785278 + ... + 2785289.

It is an arithmetic number, because the mean of its divisors is an integer number (8355852).

Almost surely, 2^33423402 is an apocalyptic number.

33423402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

33423402 is a wasteful number, since it uses less digits than its factorization.

33423402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5570572.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 33423402 is about 5781.2976052094. The cubic root of 33423402 is about 322.1194019849.

Adding to 33423402 its reverse (20432433), we get a palindrome (53855835).

The spelling of 33423402 in words is "thirty-three million, four hundred twenty-three thousand, four hundred two".