23086663785 has 12 divisors (see below), whose sum is σ = 40016883972. Its totient is φ = 12312887328.

The previous prime is 23086663783. The next prime is 23086663807. The reversal of 23086663785 is 58736668032.

It can be written as a sum of positive squares in 2 ways, for example, as 12782789721 + 10303874064 = 113061^2 + 101508^2 .

It is not a de Polignac number, because 23086663785 - 2¹ = 23086663783 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23086663783) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 256518442 + ... + 256518531.

It is an arithmetic number, because the mean of its divisors is an integer number (3334740331).

Almost surely, 2^23086663785 is an apocalyptic number.

It is an amenable number.

23086663785 is a deficient number, since it is larger than the sum of its proper divisors (16930220187).

23086663785 is a wasteful number, since it uses less digits than its factorization.

23086663785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513036984 (or 513036981 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 54.

The spelling of 23086663785 in words is "twenty-three billion, eighty-six million, six hundred sixty-three thousand, seven hundred eighty-five".