133223123 has 8 divisors (see below), whose sum is σ = 145566720. Its totient is φ = 120918280.

The previous prime is 133223119. The next prime is 133223147. The reversal of 133223123 is 321322331.

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

It is a cyclic number.

It is not a de Polignac number, because 133223123 - 2² = 133223119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133223095 and 133223104.

It is not an unprimeable number, because it can be changed into a prime (133223173) 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, 2243 + ... + 16476.

It is an arithmetic number, because the mean of its divisors is an integer number (18195840).

Almost surely, 2^133223123 is an apocalyptic number.

133223123 is a deficient number, since it is larger than the sum of its proper divisors (12343597).

133223123 is a wasteful number, since it uses less digits than its factorization.

133223123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19377.

The product of its digits is 648, while the sum is 20.

The square root of 133223123 is about 11542.2321498053. The cubic root of 133223123 is about 510.7321574319.

Adding to 133223123 its reverse (321322331), we get a palindrome (454545454).

The spelling of 133223123 in words is "one hundred thirty-three million, two hundred twenty-three thousand, one hundred twenty-three".