23561789578 has 8 divisors (see below), whose sum is σ = 35355787200. Its totient is φ = 11776527180.

The previous prime is 23561789543. The next prime is 23561789609. The reversal of 23561789578 is 87598716532.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2177058 + ... + 2187853.

It is an arithmetic number, because the mean of its divisors is an integer number (4419473400).

Almost surely, 2^23561789578 is an apocalyptic number.

23561789578 is a deficient number, since it is larger than the sum of its proper divisors (11793997622).

23561789578 is a wasteful number, since it uses less digits than its factorization.

23561789578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4367612.

The product of its digits is 25401600, while the sum is 61.

The spelling of 23561789578 in words is "twenty-three billion, five hundred sixty-one million, seven hundred eighty-nine thousand, five hundred seventy-eight".