23033010209985 has 24 divisors (see below), whose sum is σ = 40335470808360. Its totient is φ = 12157630129152.

The previous prime is 23033010209927. The next prime is 23033010209999. The reversal of 23033010209985 is 58990201033032.

23033010209985 is a `hidden beast` number, since 2 + 30 + 330 + 1 + 0 + 209 + 9 + 85 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2622339764496 + 20410670445489 = 1619364^2 + 4517817^2 .

It is not a de Polignac number, because 23033010209985 - 2²⁵ = 23032976655553 is a prime.

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 23033010209985.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2638370230 + ... + 2638378959.

It is an arithmetic number, because the mean of its divisors is an integer number (1680644617015).

Almost surely, 2^{23033010209985} is an apocalyptic number.

It is an amenable number.

23033010209985 is a deficient number, since it is larger than the sum of its proper divisors (17302460598375).

23033010209985 is a wasteful number, since it uses less digits than its factorization.

23033010209985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5276749297 (or 5276749294 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The spelling of 23033010209985 in words is "twenty-three trillion, thirty-three billion, ten million, two hundred nine thousand, nine hundred eighty-five".