68323403 has 4 divisors (see below), whose sum is σ = 68399640. Its totient is φ = 68247168.

The previous prime is 68323399. The next prime is 68323421. The reversal of 68323403 is 30432386.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68323403 - 2² = 68323399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68323903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36758 + ... + 38571.

It is an arithmetic number, because the mean of its divisors is an integer number (17099910).

Almost surely, 2^68323403 is an apocalyptic number.

68323403 is a deficient number, since it is larger than the sum of its proper divisors (76237).

68323403 is an equidigital number, since it uses as much as digits as its factorization.

68323403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76236.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 68323403 is about 8265.7971787360. The cubic root of 68323403 is about 408.8115554751.

Adding to 68323403 its reverse (30432386), we get a palindrome (98755789).

The spelling of 68323403 in words is "sixty-eight million, three hundred twenty-three thousand, four hundred three".