67723144346 has 16 divisors (see below), whose sum is σ = 119344282848. Its totient is φ = 28415305200.

The previous prime is 67723144343. The next prime is 67723144373. The reversal of 67723144346 is 64344132776.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 67723144346.

It is not an unprimeable number, because it can be changed into a prime (67723144343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118396820 + ... + 118397391.

It is an arithmetic number, because the mean of its divisors is an integer number (7459017678).

Almost surely, 2^67723144346 is an apocalyptic number.

67723144346 is a deficient number, since it is larger than the sum of its proper divisors (51621138502).

67723144346 is a wasteful number, since it uses less digits than its factorization.

67723144346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236794237.

The product of its digits is 2032128, while the sum is 47.

The spelling of 67723144346 in words is "sixty-seven billion, seven hundred twenty-three million, one hundred forty-four thousand, three hundred forty-six".