133465223 has 2 divisors, whose sum is σ = 133465224. Its totient is φ = 133465222.

The previous prime is 133465193. The next prime is 133465247. The reversal of 133465223 is 322564331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133465223 - 2⁸ = 133464967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133425223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66732611 + 66732612.

It is an arithmetic number, because the mean of its divisors is an integer number (66732612).

Almost surely, 2^133465223 is an apocalyptic number.

133465223 is a deficient number, since it is larger than the sum of its proper divisors (1).

133465223 is an equidigital number, since it uses as much as digits as its factorization.

133465223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 29.

The square root of 133465223 is about 11552.7149622935. The cubic root of 133465223 is about 511.0413465778.

The spelling of 133465223 in words is "one hundred thirty-three million, four hundred sixty-five thousand, two hundred twenty-three".