67042923 has 4 divisors (see below), whose sum is σ = 89390568. Its totient is φ = 44695280.

The previous prime is 67042909. The next prime is 67042931. The reversal of 67042923 is 32924076.

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 67042923 - 2¹² = 67038827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (67042973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11173818 + ... + 11173823.

It is an arithmetic number, because the mean of its divisors is an integer number (22347642).

Almost surely, 2^67042923 is an apocalyptic number.

67042923 is a deficient number, since it is larger than the sum of its proper divisors (22347645).

67042923 is a wasteful number, since it uses less digits than its factorization.

67042923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22347644.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 67042923 is about 8187.9742916060. The cubic root of 67042923 is about 406.2415247778.

Adding to 67042923 its reverse (32924076), we get a palindrome (99966999).

The spelling of 67042923 in words is "sixty-seven million, forty-two thousand, nine hundred twenty-three".