67065223 has 2 divisors, whose sum is σ = 67065224. Its totient is φ = 67065222.

The previous prime is 67065211. The next prime is 67065227. The reversal of 67065223 is 32256076.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67065223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67065227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33532611 + 33532612.

It is an arithmetic number, because the mean of its divisors is an integer number (33532612).

Almost surely, 2^67065223 is an apocalyptic number.

67065223 is a deficient number, since it is larger than the sum of its proper divisors (1).

67065223 is an equidigital number, since it uses as much as digits as its factorization.

67065223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 67065223 is about 8189.3359315637. The cubic root of 67065223 is about 406.2865615063.

The spelling of 67065223 in words is "sixty-seven million, sixty-five thousand, two hundred twenty-three".