133223304 has 32 divisors (see below), whose sum is σ = 333371520. Its totient is φ = 44366016.

The previous prime is 133223263. The next prime is 133223317. The reversal of 133223304 is 403322331.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33822 + ... + 37554.

It is an arithmetic number, because the mean of its divisors is an integer number (10417860).

Almost surely, 2^133223304 is an apocalyptic number.

It is an amenable number.

133223304 is an abundant number, since it is smaller than the sum of its proper divisors (200148216).

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

133223304 is a wasteful number, since it uses less digits than its factorization.

133223304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5229 (or 5225 counting only the distinct ones).

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

The square root of 133223304 is about 11542.2399905738. The cubic root of 133223304 is about 510.7323887293.

Adding to 133223304 its reverse (403322331), we get a palindrome (536545635).

The spelling of 133223304 in words is "one hundred thirty-three million, two hundred twenty-three thousand, three hundred four".