133223201321 has 8 divisors (see below), whose sum is σ = 152298210624. Its totient is φ = 114158972880.

The previous prime is 133223201311. The next prime is 133223201329. The reversal of 133223201321 is 123102322331.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133223201321 is a prime.

It is a super-2 number, since 2×133223201321² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133223201329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2668715 + ... + 2718176.

It is an arithmetic number, because the mean of its divisors is an integer number (19037276328).

Almost surely, 2^133223201321 is an apocalyptic number.

It is an amenable number.

133223201321 is a deficient number, since it is larger than the sum of its proper divisors (19075009303).

133223201321 is an equidigital number, since it uses as much as digits as its factorization.

133223201321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5390431.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 133223201321 its reverse (123102322331), we get a palindrome (256325523652).

The spelling of 133223201321 in words is "one hundred thirty-three billion, two hundred twenty-three million, two hundred one thousand, three hundred twenty-one".