1685118023 has 8 divisors (see below), whose sum is σ = 1759653888. Its totient is φ = 1610688024.

The previous prime is 1685117983. The next prime is 1685118049. The reversal of 1685118023 is 3208115861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1685118023 - 2⁸ = 1685117767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1685118053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6986 + ... + 58472.

It is an arithmetic number, because the mean of its divisors is an integer number (219956736).

Almost surely, 2^1685118023 is an apocalyptic number.

1685118023 is a deficient number, since it is larger than the sum of its proper divisors (74535865).

1685118023 is a wasteful number, since it uses less digits than its factorization.

1685118023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52933.

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 1685118023 is about 41050.1890738642. The cubic root of 1685118023 is about 1189.9903544166.

The spelling of 1685118023 in words is "one billion, six hundred eighty-five million, one hundred eighteen thousand, twenty-three".