23193855118 has 24 divisors (see below), whose sum is σ = 40478125464. Its totient is φ = 9938451600.

The previous prime is 23193855079. The next prime is 23193855131. The reversal of 23193855118 is 81155839132.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 635013 + ... + 670543.

It is an arithmetic number, because the mean of its divisors is an integer number (1686588561).

Almost surely, 2^23193855118 is an apocalyptic number.

23193855118 is a deficient number, since it is larger than the sum of its proper divisors (17284270346).

23193855118 is a wasteful number, since it uses less digits than its factorization.

23193855118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42208 (or 42201 counting only the distinct ones).

The product of its digits is 259200, while the sum is 46.

The spelling of 23193855118 in words is "twenty-three billion, one hundred ninety-three million, eight hundred fifty-five thousand, one hundred eighteen".