68023563 has 8 divisors (see below), whose sum is σ = 91791168. Its totient is φ = 44802504.

The previous prime is 68023513. The next prime is 68023597. The reversal of 68023563 is 36532086.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68023563 - 2¹² = 68019467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68023513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136345 + ... + 136842.

It is an arithmetic number, because the mean of its divisors is an integer number (11473896).

Almost surely, 2^68023563 is an apocalyptic number.

68023563 is a deficient number, since it is larger than the sum of its proper divisors (23767605).

68023563 is a wasteful number, since it uses less digits than its factorization.

68023563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273273.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 68023563 is about 8247.6398442221. The cubic root of 68023563 is about 408.2126498645.

It can be divided in two parts, 68023 and 563, that added together give a palindrome (68586).

The spelling of 68023563 in words is "sixty-eight million, twenty-three thousand, five hundred sixty-three".