68244280372223 has 4 divisors (see below), whose sum is σ = 71836084602360. Its totient is φ = 64652476142088.

The previous prime is 68244280372157. The next prime is 68244280372259. The reversal of 68244280372223 is 32227308244286.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68244280372223 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 (68244280372283) 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, 1795902115040 + ... + 1795902115077.

It is an arithmetic number, because the mean of its divisors is an integer number (17959021150590).

Almost surely, 2^{68244280372223} is an apocalyptic number.

68244280372223 is a deficient number, since it is larger than the sum of its proper divisors (3591804230137).

68244280372223 is a wasteful number, since it uses less digits than its factorization.

68244280372223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3591804230136.

The product of its (nonzero) digits is 12386304, while the sum is 53.

The spelling of 68244280372223 in words is "sixty-eight trillion, two hundred forty-four billion, two hundred eighty million, three hundred seventy-two thousand, two hundred twenty-three".