67423723 has 8 divisors (see below), whose sum is σ = 71053200. Its totient is φ = 63802368.

The previous prime is 67423691. The next prime is 67423781. The reversal of 67423723 is 32732476.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 67423723 - 2⁵ = 67423691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67423793) 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 in 7 ways as a sum of consecutive naturals, for example, 23115 + ... + 25867.

It is an arithmetic number, because the mean of its divisors is an integer number (8881650).

Almost surely, 2^67423723 is an apocalyptic number.

67423723 is a deficient number, since it is larger than the sum of its proper divisors (3629477).

67423723 is a wasteful number, since it uses less digits than its factorization.

67423723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4061.

The product of its digits is 42336, while the sum is 34.

The square root of 67423723 is about 8211.1949800257. The cubic root of 67423723 is about 407.0092160659.

The spelling of 67423723 in words is "sixty-seven million, four hundred twenty-three thousand, seven hundred twenty-three".