67728273023 has 2 divisors, whose sum is σ = 67728273024. Its totient is φ = 67728273022.

The previous prime is 67728273017. The next prime is 67728273101. The reversal of 67728273023 is 32037282776.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67728273023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67728272023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33864136511 + 33864136512.

It is an arithmetic number, because the mean of its divisors is an integer number (33864136512).

Almost surely, 2^67728273023 is an apocalyptic number.

67728273023 is a deficient number, since it is larger than the sum of its proper divisors (1).

67728273023 is an equidigital number, since it uses as much as digits as its factorization.

67728273023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1185408, while the sum is 47.

The spelling of 67728273023 in words is "sixty-seven billion, seven hundred twenty-eight million, two hundred seventy-three thousand, twenty-three".