705867223 has 4 divisors (see below), whose sum is σ = 708379488. Its totient is φ = 703354960.

The previous prime is 705867203. The next prime is 705867229. The reversal of 705867223 is 322768507.

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-705867223 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (705867229) 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, 1255711 + ... + 1256272.

It is an arithmetic number, because the mean of its divisors is an integer number (177094872).

Almost surely, 2^705867223 is an apocalyptic number.

705867223 is a deficient number, since it is larger than the sum of its proper divisors (2512265).

705867223 is a wasteful number, since it uses less digits than its factorization.

705867223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2512264.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 705867223 is about 26568.1618295282. The cubic root of 705867223 is about 890.3778318332.

The spelling of 705867223 in words is "seven hundred five million, eight hundred sixty-seven thousand, two hundred twenty-three".