23286785906 has 8 divisors (see below), whose sum is σ = 34930841004. Its totient is φ = 11643172240.

The previous prime is 23286785903. The next prime is 23286785917. The reversal of 23286785906 is 60958768232.

It can be written as a sum of positive squares in 2 ways, for example, as 17196388225 + 6090397681 = 131135^2 + 78041^2 .

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

It is not an unprimeable number, because it can be changed into a prime (23286785903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107696 + ... + 241188.

Almost surely, 2^23286785906 is an apocalyptic number.

23286785906 is a deficient number, since it is larger than the sum of its proper divisors (11644055098).

23286785906 is a wasteful number, since it uses less digits than its factorization.

23286785906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220716.

The product of its (nonzero) digits is 8709120, while the sum is 56.

The spelling of 23286785906 in words is "twenty-three billion, two hundred eighty-six million, seven hundred eighty-five thousand, nine hundred six".