68237723 has 4 divisors (see below), whose sum is σ = 68260920. Its totient is φ = 68214528.

The previous prime is 68237669. The next prime is 68237747. The reversal of 68237723 is 32773286.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68237723 - 2¹⁶ = 68172187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68237773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6413 + ... + 13326.

It is an arithmetic number, because the mean of its divisors is an integer number (17065230).

Almost surely, 2^68237723 is an apocalyptic number.

68237723 is a deficient number, since it is larger than the sum of its proper divisors (23197).

68237723 is a wasteful number, since it uses less digits than its factorization.

68237723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23196.

The product of its digits is 84672, while the sum is 38.

The square root of 68237723 is about 8260.6127496694. The cubic root of 68237723 is about 408.6405958700.

The spelling of 68237723 in words is "sixty-eight million, two hundred thirty-seven thousand, seven hundred twenty-three".