133112223 has 6 divisors (see below), whose sum is σ = 192273224. Its totient is φ = 88741476.

The previous prime is 133112209. The next prime is 133112249. The reversal of 133112223 is 322211331.

It is not a de Polignac number, because 133112223 - 2⁴ = 133112207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133112196 and 133112205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133112123) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7395115 + ... + 7395132.

Almost surely, 2^133112223 is an apocalyptic number.

133112223 is a deficient number, since it is larger than the sum of its proper divisors (59161001).

133112223 is a wasteful number, since it uses less digits than its factorization.

133112223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14790253 (or 14790250 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 133112223 is about 11537.4270528571. The cubic root of 133112223 is about 510.5904004588.

Adding to 133112223 its reverse (322211331), we get a palindrome (455323554).

The spelling of 133112223 in words is "one hundred thirty-three million, one hundred twelve thousand, two hundred twenty-three".