67320023 has 2 divisors, whose sum is σ = 67320024. Its totient is φ = 67320022.

The previous prime is 67319977. The next prime is 67320031. The reversal of 67320023 is 32002376.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67320023 - 2¹⁶ = 67254487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67320053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33660011 + 33660012.

It is an arithmetic number, because the mean of its divisors is an integer number (33660012).

Almost surely, 2^67320023 is an apocalyptic number.

67320023 is a deficient number, since it is larger than the sum of its proper divisors (1).

67320023 is an equidigital number, since it uses as much as digits as its factorization.

67320023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 67320023 is about 8204.8780003118. The cubic root of 67320023 is about 406.8004442822.

Adding to 67320023 its reverse (32002376), we get a palindrome (99322399).

The spelling of 67320023 in words is "sixty-seven million, three hundred twenty thousand, twenty-three".