68142303 has 24 divisors (see below), whose sum is σ = 107452800. Its totient is φ = 43034328.

The previous prime is 68142301. The next prime is 68142311. The reversal of 68142303 is 30324186.

It is a happy number.

It is not a de Polignac number, because 68142303 - 2¹ = 68142301 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68142301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2763 + ... + 11996.

It is an arithmetic number, because the mean of its divisors is an integer number (4477200).

Almost surely, 2^68142303 is an apocalyptic number.

68142303 is a deficient number, since it is larger than the sum of its proper divisors (39310497).

68142303 is a wasteful number, since it uses less digits than its factorization.

68142303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14793 (or 14781 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 68142303 is about 8254.8351285777. The cubic root of 68142303 is about 408.4500332649.

Adding to 68142303 its reverse (30324186), we get a palindrome (98466489).

The spelling of 68142303 in words is "sixty-eight million, one hundred forty-two thousand, three hundred three".