133313213233223 has 4 divisors (see below), whose sum is σ = 133488394854528. Its totient is φ = 133138031611920.

The previous prime is 133313213233219. The next prime is 133313213233237. The reversal of 133313213233223 is 322332312313331.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 133313213233223 - 2² = 133313213233219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133313213233253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87590809511 + ... + 87590811032.

It is an arithmetic number, because the mean of its divisors is an integer number (33372098713632).

Almost surely, 2^{133313213233223} is an apocalyptic number.

133313213233223 is a deficient number, since it is larger than the sum of its proper divisors (175181621305).

133313213233223 is an equidigital number, since it uses as much as digits as its factorization.

133313213233223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175181621304.

The product of its digits is 104976, while the sum is 35.

Adding to 133313213233223 its reverse (322332312313331), we get a palindrome (455645525546554).

The spelling of 133313213233223 in words is "one hundred thirty-three trillion, three hundred thirteen billion, two hundred thirteen million, two hundred thirty-three thousand, two hundred twenty-three".