68698823 has 2 divisors, whose sum is σ = 68698824. Its totient is φ = 68698822.

The previous prime is 68698811. The next prime is 68698841. The reversal of 68698823 is 32889686.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68698823 - 2⁴ = 68698807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68698843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34349411 + 34349412.

It is an arithmetic number, because the mean of its divisors is an integer number (34349412).

Almost surely, 2^68698823 is an apocalyptic number.

68698823 is a deficient number, since it is larger than the sum of its proper divisors (1).

68698823 is an equidigital number, since it uses as much as digits as its factorization.

68698823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 995328, while the sum is 50.

The square root of 68698823 is about 8288.4753121428. The cubic root of 68698823 is about 409.5589606017.

The spelling of 68698823 in words is "sixty-eight million, six hundred ninety-eight thousand, eight hundred twenty-three".