68812823 has 2 divisors, whose sum is σ = 68812824. Its totient is φ = 68812822.

The previous prime is 68812769. The next prime is 68812837. The reversal of 68812823 is 32821886.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68812823 - 2⁶ = 68812759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68812423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34406411 + 34406412.

It is an arithmetic number, because the mean of its divisors is an integer number (34406412).

Almost surely, 2^68812823 is an apocalyptic number.

68812823 is a deficient number, since it is larger than the sum of its proper divisors (1).

68812823 is an equidigital number, since it uses as much as digits as its factorization.

68812823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36864, while the sum is 38.

The square root of 68812823 is about 8295.3494802811. The cubic root of 68812823 is about 409.7853784516.

The spelling of 68812823 in words is "sixty-eight million, eight hundred twelve thousand, eight hundred twenty-three".