1023688485 has 24 divisors (see below), whose sum is σ = 1851542784. Its totient is φ = 522228960.

The previous prime is 1023688427. The next prime is 1023688499. The reversal of 1023688485 is 5848863201.

1023688485 is a `hidden beast` number, since 102 + 3 + 68 + 8 + 485 = 666.

1023688485 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1023688485 - 2¹⁰ = 1023687461 is a prime.

It is a super-2 number, since 2×1023688485² = 2095876228643190450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1023688485.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 493501 + ... + 495570.

It is an arithmetic number, because the mean of its divisors is an integer number (77147616).

Almost surely, 2^1023688485 is an apocalyptic number.

1023688485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1023688485 is a deficient number, since it is larger than the sum of its proper divisors (827854299).

1023688485 is a wasteful number, since it uses less digits than its factorization.

1023688485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989105 (or 989102 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The square root of 1023688485 is about 31995.1322078844. The cubic root of 1023688485 is about 1007.8346200950.

The spelling of 1023688485 in words is "one billion, twenty-three million, six hundred eighty-eight thousand, four hundred eighty-five".