68203143 has 12 divisors (see below), whose sum is σ = 98622160. Its totient is φ = 45419616.

The previous prime is 68203123. The next prime is 68203151. The reversal of 68203143 is 34130286.

It is a happy number.

It is not a de Polignac number, because 68203143 - 2⁸ = 68202887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68203123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6003 + ... + 13131.

Almost surely, 2^68203143 is an apocalyptic number.

68203143 is a deficient number, since it is larger than the sum of its proper divisors (30419017).

68203143 is a wasteful number, since it uses less digits than its factorization.

68203143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8198 (or 8195 counting only the distinct ones).

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

The square root of 68203143 is about 8258.5194193633. The cubic root of 68203143 is about 408.5715569337.

The spelling of 68203143 in words is "sixty-eight million, two hundred three thousand, one hundred forty-three".