133051223 has 8 divisors (see below), whose sum is σ = 136818240. Its totient is φ = 129293280.

The previous prime is 133051211. The next prime is 133051229. The reversal of 133051223 is 322150331.

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 133051223 - 2⁴ = 133051207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133051195 and 133051204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133051229) 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, 36713 + ... + 40173.

It is an arithmetic number, because the mean of its divisors is an integer number (17102280).

Almost surely, 2^133051223 is an apocalyptic number.

133051223 is a deficient number, since it is larger than the sum of its proper divisors (3767017).

133051223 is a wasteful number, since it uses less digits than its factorization.

133051223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4537.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 133051223 is about 11534.7831795834. The cubic root of 133051223 is about 510.5123941655.

The spelling of 133051223 in words is "one hundred thirty-three million, fifty-one thousand, two hundred twenty-three".