885623 has 2 divisors, whose sum is σ = 885624. Its totient is φ = 885622.

The previous prime is 885611. The next prime is 885679. The reversal of 885623 is 326588.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 885623 - 2⁴ = 885607 is a prime.

It is a nialpdrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 885623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (885023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 442811 + 442812.

It is an arithmetic number, because the mean of its divisors is an integer number (442812).

2⁸⁸⁵⁶²³ is an apocalyptic number.

885623 is a deficient number, since it is larger than the sum of its proper divisors (1).

885623 is an equidigital number, since it uses as much as digits as its factorization.

885623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 32.

The square root of 885623 is about 941.0754486225. The cubic root of 885623 is about 96.0320711712.

The spelling of 885623 in words is "eight hundred eighty-five thousand, six hundred twenty-three".