133332223 has 4 divisors (see below), whose sum is σ = 134706880. Its totient is φ = 131957568.

The previous prime is 133332217. The next prime is 133332229. The reversal of 133332223 is 322233331.

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

It is an interprime number because it is at equal distance from previous prime (133332217) and next prime (133332229).

It is a cyclic number.

It is not a de Polignac number, because 133332223 - 2⁵ = 133332191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133332194 and 133332203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133332229) 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, 687183 + ... + 687376.

It is an arithmetic number, because the mean of its divisors is an integer number (33676720).

Almost surely, 2^133332223 is an apocalyptic number.

133332223 is a deficient number, since it is larger than the sum of its proper divisors (1374657).

133332223 is an equidigital number, since it uses as much as digits as its factorization.

133332223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374656.

The product of its digits is 1944, while the sum is 22.

The square root of 133332223 is about 11546.9573048488. The cubic root of 133332223 is about 510.8715368269.

Adding to 133332223 its reverse (322233331), we get a palindrome (455565554).

The spelling of 133332223 in words is "one hundred thirty-three million, three hundred thirty-two thousand, two hundred twenty-three".