68983823 has 2 divisors, whose sum is σ = 68983824. Its totient is φ = 68983822.

The previous prime is 68983819. The next prime is 68983829. The reversal of 68983823 is 32838986.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68983823 - 2² = 68983819 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68983829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34491911 + 34491912.

It is an arithmetic number, because the mean of its divisors is an integer number (34491912).

Almost surely, 2^68983823 is an apocalyptic number.

68983823 is a deficient number, since it is larger than the sum of its proper divisors (1).

68983823 is an equidigital number, since it uses as much as digits as its factorization.

68983823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 497664, while the sum is 47.

The square root of 68983823 is about 8305.6500648655. The cubic root of 68983823 is about 410.1245368263.

The spelling of 68983823 in words is "sixty-eight million, nine hundred eighty-three thousand, eight hundred twenty-three".