68123297 has 4 divisors (see below), whose sum is σ = 74316336. Its totient is φ = 61930260.

The previous prime is 68123287. The next prime is 68123311. The reversal of 68123297 is 79232186.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 68123297 - 2⁴ = 68123281 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68123297.

It is not an unprimeable number, because it can be changed into a prime (68123287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3096503 + ... + 3096524.

It is an arithmetic number, because the mean of its divisors is an integer number (18579084).

Almost surely, 2^68123297 is an apocalyptic number.

It is an amenable number.

68123297 is a deficient number, since it is larger than the sum of its proper divisors (6193039).

68123297 is a wasteful number, since it uses less digits than its factorization.

68123297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6193038.

The product of its digits is 36288, while the sum is 38.

The square root of 68123297 is about 8253.6838441995. The cubic root of 68123297 is about 408.4120552745.

Subtracting 68123297 from its reverse (79232186), we obtain a square (11108889 = 3333²).

The spelling of 68123297 in words is "sixty-eight million, one hundred twenty-three thousand, two hundred ninety-seven".