67397423 has 2 divisors, whose sum is σ = 67397424. Its totient is φ = 67397422.

The previous prime is 67397419. The next prime is 67397437. The reversal of 67397423 is 32479376.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 67397423 - 2² = 67397419 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67397413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33698711 + 33698712.

It is an arithmetic number, because the mean of its divisors is an integer number (33698712).

Almost surely, 2^67397423 is an apocalyptic number.

67397423 is a deficient number, since it is larger than the sum of its proper divisors (1).

67397423 is an equidigital number, since it uses as much as digits as its factorization.

67397423 is an evil number, because the sum of its binary digits is even.

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

The square root of 67397423 is about 8209.5933516831. The cubic root of 67397423 is about 406.9562884314.

The spelling of 67397423 in words is "sixty-seven million, three hundred ninety-seven thousand, four hundred twenty-three".