33423430 has 16 divisors (see below), whose sum is σ = 60320880. Its totient is φ = 13334112.

The previous prime is 33423409. The next prime is 33423431. The reversal of 33423430 is 3432433.

It is a super-2 number, since 2×33423430² = 2234251345929800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33423431) 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 7 ways as a sum of consecutive naturals, for example, 240 + ... + 8179.

It is an arithmetic number, because the mean of its divisors is an integer number (3770055).

Almost surely, 2^33423430 is an apocalyptic number.

33423430 is a deficient number, since it is larger than the sum of its proper divisors (26897450).

33423430 is a wasteful number, since it uses less digits than its factorization.

33423430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8823.

The product of its (nonzero) digits is 2592, while the sum is 22.

The square root of 33423430 is about 5781.3000268106. The cubic root of 33423430 is about 322.1194919352.

Adding to 33423430 its reverse (3432433), we get a palindrome (36855863).

The spelling of 33423430 in words is "thirty-three million, four hundred twenty-three thousand, four hundred thirty".