685701172223 has 8 divisors (see below), whose sum is σ = 686739546096. Its totient is φ = 684662932800.

The previous prime is 685701172193. The next prime is 685701172229. The reversal of 685701172223 is 322271107586.

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

It is a cyclic number.

It is not a de Polignac number, because 685701172223 - 2¹⁶ = 685701106687 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 (685701172229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15575963 + ... + 15619923.

It is an arithmetic number, because the mean of its divisors is an integer number (85842443262).

Almost surely, 2^685701172223 is an apocalyptic number.

685701172223 is a deficient number, since it is larger than the sum of its proper divisors (1038373873).

685701172223 is a wasteful number, since it uses less digits than its factorization.

685701172223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67225.

The product of its (nonzero) digits is 282240, while the sum is 44.

The spelling of 685701172223 in words is "six hundred eighty-five billion, seven hundred one million, one hundred seventy-two thousand, two hundred twenty-three".