68992723 has 2 divisors, whose sum is σ = 68992724. Its totient is φ = 68992722.

The previous prime is 68992673. The next prime is 68992727. The reversal of 68992723 is 32729986.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68992723 - 2¹⁷ = 68861651 is a prime.

It is not a weakly prime, because it can be changed into another prime (68992727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34496361 + 34496362.

It is an arithmetic number, because the mean of its divisors is an integer number (34496362).

Almost surely, 2^68992723 is an apocalyptic number.

68992723 is a deficient number, since it is larger than the sum of its proper divisors (1).

68992723 is an equidigital number, since it uses as much as digits as its factorization.

68992723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 46.

The square root of 68992723 is about 8306.1858274421. The cubic root of 68992723 is about 410.1421735767.

The spelling of 68992723 in words is "sixty-eight million, nine hundred ninety-two thousand, seven hundred twenty-three".