67947323 has 2 divisors, whose sum is σ = 67947324. Its totient is φ = 67947322.

The previous prime is 67947301. The next prime is 67947331. The reversal of 67947323 is 32374976.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67947323 - 2¹⁴ = 67930939 is a prime.

It is not a weakly prime, because it can be changed into another prime (67947023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33973661 + 33973662.

It is an arithmetic number, because the mean of its divisors is an integer number (33973662).

Almost surely, 2^67947323 is an apocalyptic number.

67947323 is a deficient number, since it is larger than the sum of its proper divisors (1).

67947323 is an equidigital number, since it uses as much as digits as its factorization.

67947323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 190512, while the sum is 41.

The square root of 67947323 is about 8243.0166201458. The cubic root of 67947323 is about 408.0600862263.

The spelling of 67947323 in words is "sixty-seven million, nine hundred forty-seven thousand, three hundred twenty-three".