705884623 has 2 divisors, whose sum is σ = 705884624. Its totient is φ = 705884622.

The previous prime is 705884573. The next prime is 705884629. The reversal of 705884623 is 326488507.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 705884623 - 2⁹ = 705884111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 705884623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (705884629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352942311 + 352942312.

It is an arithmetic number, because the mean of its divisors is an integer number (352942312).

Almost surely, 2^705884623 is an apocalyptic number.

705884623 is a deficient number, since it is larger than the sum of its proper divisors (1).

705884623 is an equidigital number, since it uses as much as digits as its factorization.

705884623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 322560, while the sum is 43.

The square root of 705884623 is about 26568.4892871236. The cubic root of 705884623 is about 890.3851478677.

The spelling of 705884623 in words is "seven hundred five million, eight hundred eighty-four thousand, six hundred twenty-three".