133423322 has 16 divisors (see below), whose sum is σ = 209269440. Its totient is φ = 63799516.

The previous prime is 133423289. The next prime is 133423333. The reversal of 133423322 is 223324331.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 21593 + ... + 27075.

It is an arithmetic number, because the mean of its divisors is an integer number (13079340).

Almost surely, 2^133423322 is an apocalyptic number.

133423322 is a deficient number, since it is larger than the sum of its proper divisors (75846118).

133423322 is an frugal number, since it uses more digits than its factorization.

133423322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5554 (or 5508 counting only the distinct ones).

The product of its digits is 2592, while the sum is 23.

The square root of 133423322 is about 11550.9013501112. The cubic root of 133423322 is about 510.9878610224.

Adding to 133423322 its reverse (223324331), we get a palindrome (356747653).

The spelling of 133423322 in words is "one hundred thirty-three million, four hundred twenty-three thousand, three hundred twenty-two".