23000209678 has 4 divisors (see below), whose sum is σ = 34500314520. Its totient is φ = 11500104838.

The previous prime is 23000209649. The next prime is 23000209679. The reversal of 23000209678 is 87690200032.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23000209679) by changing a digit.

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 as a sum of consecutive naturals, namely, 5750052418 + ... + 5750052421.

It is an arithmetic number, because the mean of its divisors is an integer number (8625078630).

Almost surely, 2^23000209678 is an apocalyptic number.

23000209678 is a deficient number, since it is larger than the sum of its proper divisors (11500104842).

23000209678 is a wasteful number, since it uses less digits than its factorization.

23000209678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11500104841.

The product of its (nonzero) digits is 36288, while the sum is 37.

The spelling of 23000209678 in words is "twenty-three billion, two hundred nine thousand, six hundred seventy-eight".