23406656786 has 8 divisors (see below), whose sum is σ = 35240506380. Its totient is φ = 11659821328.

The previous prime is 23406656773. The next prime is 23406656789. The reversal of 23406656786 is 68765660432.

It can be written as a sum of positive squares in 2 ways, for example, as 23052652561 + 354004225 = 151831^2 + 18815^2 .

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 (23406656789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21752861 + ... + 21753936.

Almost surely, 2^23406656786 is an apocalyptic number.

23406656786 is a deficient number, since it is larger than the sum of its proper divisors (11833849594).

23406656786 is a wasteful number, since it uses less digits than its factorization.

23406656786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43507068.

The product of its (nonzero) digits is 8709120, while the sum is 53.

The spelling of 23406656786 in words is "twenty-three billion, four hundred six million, six hundred fifty-six thousand, seven hundred eighty-six".