23071557663 has 48 divisors (see below), whose sum is σ = 41680244736. Its totient is φ = 11947302720.

The previous prime is 23071557661. The next prime is 23071557683. The reversal of 23071557663 is 36675517032.

23071557663 is a `hidden beast` number, since 2 + 3 + 0 + 7 + 15 + 576 + 63 = 666.

It is not a de Polignac number, because 23071557663 - 2¹ = 23071557661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23071557661) 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 47 ways as a sum of consecutive naturals, for example, 167170 + ... + 272192.

It is an arithmetic number, because the mean of its divisors is an integer number (868338432).

Almost surely, 2^23071557663 is an apocalyptic number.

23071557663 is a deficient number, since it is larger than the sum of its proper divisors (18608687073).

23071557663 is a wasteful number, since it uses less digits than its factorization.

23071557663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105364 (or 105361 counting only the distinct ones).

The product of its (nonzero) digits is 793800, while the sum is 45.

The spelling of 23071557663 in words is "twenty-three billion, seventy-one million, five hundred fifty-seven thousand, six hundred sixty-three".