1023385536 has 56 divisors (see below), whose sum is σ = 3008569040. Its totient is φ = 341127936.

The previous prime is 1023385523. The next prime is 1023385577. The reversal of 1023385536 is 6355833201.

1023385536 is a `hidden beast` number, since 10 + 2 + 33 + 85 + 536 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 1023385536.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294391 + ... + 297846.

Almost surely, 2^1023385536 is an apocalyptic number.

1023385536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1023385536 is an abundant number, since it is smaller than the sum of its proper divisors (1985183504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1023385536 is an equidigital number, since it uses as much as digits as its factorization.

1023385536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592258 (or 592242 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 1023385536 is about 31990.3975592677. The cubic root of 1023385536 is about 1007.7351912099.

The spelling of 1023385536 in words is "one billion, twenty-three million, three hundred eighty-five thousand, five hundred thirty-six".