68423393 has 2 divisors, whose sum is σ = 68423394. Its totient is φ = 68423392.

The previous prime is 68423357. The next prime is 68423429. The reversal of 68423393 is 39332486.

It is a balanced prime because it is at equal distance from previous prime (68423357) and next prime (68423429).

It can be written as a sum of positive squares in only one way, i.e., 64192144 + 4231249 = 8012^2 + 2057^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68423393 is a prime.

It is not a weakly prime, because it can be changed into another prime (68323393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34211696 + 34211697.

It is an arithmetic number, because the mean of its divisors is an integer number (34211697).

Almost surely, 2^68423393 is an apocalyptic number.

It is an amenable number.

68423393 is a deficient number, since it is larger than the sum of its proper divisors (1).

68423393 is an equidigital number, since it uses as much as digits as its factorization.

68423393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 38.

The square root of 68423393 is about 8271.8433858482. The cubic root of 68423393 is about 409.0108875775.

The spelling of 68423393 in words is "sixty-eight million, four hundred twenty-three thousand, three hundred ninety-three".