985727623 has 2 divisors, whose sum is σ = 985727624. Its totient is φ = 985727622.

The previous prime is 985727597. The next prime is 985727627. The reversal of 985727623 is 326727589.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 985727623 - 2⁹ = 985727111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (985727627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492863811 + 492863812.

It is an arithmetic number, because the mean of its divisors is an integer number (492863812).

Almost surely, 2^985727623 is an apocalyptic number.

985727623 is a deficient number, since it is larger than the sum of its proper divisors (1).

985727623 is an equidigital number, since it uses as much as digits as its factorization.

985727623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1270080, while the sum is 49.

The square root of 985727623 is about 31396.2995112481. The cubic root of 985727623 is about 995.2197263956.

The spelling of 985727623 in words is "nine hundred eighty-five million, seven hundred twenty-seven thousand, six hundred twenty-three".