23194387618 has 16 divisors (see below), whose sum is σ = 34837770240. Its totient is φ = 11581811136.

The previous prime is 23194387607. The next prime is 23194387637. The reversal of 23194387618 is 81678349132.

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 7 ways as a sum of consecutive naturals, for example, 9595146 + ... + 9597562.

It is an arithmetic number, because the mean of its divisors is an integer number (2177360640).

Almost surely, 2^23194387618 is an apocalyptic number.

23194387618 is a deficient number, since it is larger than the sum of its proper divisors (11643382622).

23194387618 is a wasteful number, since it uses less digits than its factorization.

23194387618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6801.

The product of its digits is 1741824, while the sum is 52.

The spelling of 23194387618 in words is "twenty-three billion, one hundred ninety-four million, three hundred eighty-seven thousand, six hundred eighteen".