67430023 has 4 divisors (see below), whose sum is σ = 67944888. Its totient is φ = 66915160.

The previous prime is 67429987. The next prime is 67430039. The reversal of 67430023 is 32003476.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 67430023 - 2⁹ = 67429511 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 67430023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67430093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257236 + ... + 257497.

It is an arithmetic number, because the mean of its divisors is an integer number (16986222).

Almost surely, 2^67430023 is an apocalyptic number.

67430023 is a deficient number, since it is larger than the sum of its proper divisors (514865).

67430023 is a wasteful number, since it uses less digits than its factorization.

67430023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514864.

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 67430023 is about 8211.5785936688. The cubic root of 67430023 is about 407.0218925052.

Adding to 67430023 its reverse (32003476), we get a palindrome (99433499).

The spelling of 67430023 in words is "sixty-seven million, four hundred thirty thousand, twenty-three".