68203443 has 24 divisors (see below), whose sum is σ = 115404480. Its totient is φ = 35429520.

The previous prime is 68203417. The next prime is 68203453. The reversal of 68203443 is 34430286.

It is not a de Polignac number, because 68203443 - 2¹³ = 68195251 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68203443.

It is not an unprimeable number, because it can be changed into a prime (68203403) 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, 19473 + ... + 22706.

It is an arithmetic number, because the mean of its divisors is an integer number (4808520).

Almost surely, 2^68203443 is an apocalyptic number.

68203443 is a deficient number, since it is larger than the sum of its proper divisors (47201037).

68203443 is a wasteful number, since it uses less digits than its factorization.

68203443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42207 (or 42200 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 68203443 is about 8258.5375824053. The cubic root of 68203443 is about 408.5721559837.

The spelling of 68203443 in words is "sixty-eight million, two hundred three thousand, four hundred forty-three".