23158636208 has 20 divisors (see below), whose sum is σ = 44872503720. Its totient is φ = 11578635264.

The previous prime is 23158636201. The next prime is 23158636243. The reversal of 23158636208 is 80263685132.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (23158636201) 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, 342416 + ... + 404432.

It is an arithmetic number, because the mean of its divisors is an integer number (2243625186).

Almost surely, 2^23158636208 is an apocalyptic number.

It is an amenable number.

23158636208 is a deficient number, since it is larger than the sum of its proper divisors (21713867512).

23158636208 is a wasteful number, since it uses less digits than its factorization.

23158636208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85364 (or 85358 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 23158636208 in words is "twenty-three billion, one hundred fifty-eight million, six hundred thirty-six thousand, two hundred eight".