985630023 has 24 divisors (see below), whose sum is σ = 1649995776. Its totient is φ = 555282000.

The previous prime is 985630021. The next prime is 985630033. The reversal of 985630023 is 320036589.

985630023 is a `hidden beast` number, since 98 + 563 + 0 + 0 + 2 + 3 = 666.

It is not a de Polignac number, because 985630023 - 2¹ = 985630021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 985630023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985630021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 105703 + ... + 114648.

It is an arithmetic number, because the mean of its divisors is an integer number (68749824).

Almost surely, 2^985630023 is an apocalyptic number.

985630023 is a deficient number, since it is larger than the sum of its proper divisors (664365753).

985630023 is a wasteful number, since it uses less digits than its factorization.

985630023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220435 (or 220432 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 985630023 is about 31394.7451494673. The cubic root of 985630023 is about 995.1868786971.

The spelling of 985630023 in words is "nine hundred eighty-five million, six hundred thirty thousand, twenty-three".