23497118618 has 8 divisors (see below), whose sum is σ = 35995586112. Its totient is φ = 11498589916.

The previous prime is 23497118563. The next prime is 23497118629. The reversal of 23497118618 is 81681179432.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×23497118618² (a number of 22 digits) contains 22 as substring.

It is a Curzon 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 3 ways as a sum of consecutive naturals, for example, 124984580 + ... + 124984767.

It is an arithmetic number, because the mean of its divisors is an integer number (4499448264).

Almost surely, 2^23497118618 is an apocalyptic number.

23497118618 is a deficient number, since it is larger than the sum of its proper divisors (12498467494).

23497118618 is a wasteful number, since it uses less digits than its factorization.

23497118618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249969396.

The product of its digits is 580608, while the sum is 50.

The spelling of 23497118618 in words is "twenty-three billion, four hundred ninety-seven million, one hundred eighteen thousand, six hundred eighteen".