68043243 has 16 divisors (see below), whose sum is σ = 94366976. Its totient is φ = 43575840.

The previous prime is 68043191. The next prime is 68043277. The reversal of 68043243 is 34234086.

It is not a de Polignac number, because 68043243 - 2⁸ = 68042987 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 68043243.

It is not an unprimeable number, because it can be changed into a prime (68041243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3546 + ... + 12192.

It is an arithmetic number, because the mean of its divisors is an integer number (5897936).

Almost surely, 2^68043243 is an apocalyptic number.

68043243 is a deficient number, since it is larger than the sum of its proper divisors (26323733).

68043243 is a wasteful number, since it uses less digits than its factorization.

68043243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8754.

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

The square root of 68043243 is about 8248.8328265276. The cubic root of 68043243 is about 408.2520129420.

It can be divided in two parts, 68043 and 243, that added together give a palindrome (68286).

The spelling of 68043243 in words is "sixty-eight million, forty-three thousand, two hundred forty-three".