133230223 has 16 divisors (see below), whose sum is σ = 160842240. Its totient is φ = 107805600.

The previous prime is 133230221. The next prime is 133230233. The reversal of 133230223 is 322032331.

It is a happy number.

It is not a de Polignac number, because 133230223 - 2¹ = 133230221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133230223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133230221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39753 + ... + 42973.

It is an arithmetic number, because the mean of its divisors is an integer number (10052640).

Almost surely, 2^133230223 is an apocalyptic number.

133230223 is a deficient number, since it is larger than the sum of its proper divisors (27612017).

133230223 is a wasteful number, since it uses less digits than its factorization.

133230223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3558.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 133230223 is about 11542.5397118658. The cubic root of 133230223 is about 510.7412302661.

Adding to 133230223 its reverse (322032331), we get a palindrome (455262554).

The spelling of 133230223 in words is "one hundred thirty-three million, two hundred thirty thousand, two hundred twenty-three".