67384423 has 2 divisors, whose sum is σ = 67384424. Its totient is φ = 67384422.

The previous prime is 67384381. The next prime is 67384451. The reversal of 67384423 is 32448376.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67384423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67384123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33692211 + 33692212.

It is an arithmetic number, because the mean of its divisors is an integer number (33692212).

Almost surely, 2^67384423 is an apocalyptic number.

67384423 is a deficient number, since it is larger than the sum of its proper divisors (1).

67384423 is an equidigital number, since it uses as much as digits as its factorization.

67384423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 37.

The square root of 67384423 is about 8208.8015568657. The cubic root of 67384423 is about 406.9301213976.

The spelling of 67384423 in words is "sixty-seven million, three hundred eighty-four thousand, four hundred twenty-three".