68766823 has 2 divisors, whose sum is σ = 68766824. Its totient is φ = 68766822.

The previous prime is 68766769. The next prime is 68766827. The reversal of 68766823 is 32866786.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68766823 - 2¹⁷ = 68635751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68766827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34383411 + 34383412.

It is an arithmetic number, because the mean of its divisors is an integer number (34383412).

Almost surely, 2^68766823 is an apocalyptic number.

68766823 is a deficient number, since it is larger than the sum of its proper divisors (1).

68766823 is an equidigital number, since it uses as much as digits as its factorization.

68766823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 580608, while the sum is 46.

The square root of 68766823 is about 8292.5763789066. The cubic root of 68766823 is about 409.6940469794.

The spelling of 68766823 in words is "sixty-eight million, seven hundred sixty-six thousand, eight hundred twenty-three".