23678518497 has 16 divisors (see below), whose sum is σ = 31703101440. Its totient is φ = 15719864400.

The previous prime is 23678518471. The next prime is 23678518499. The reversal of 23678518497 is 79481587632.

It is not a de Polignac number, because 23678518497 - 2⁶ = 23678518433 is a prime.

It is a super-2 number, since 2×23678518497² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23678518497.

It is not an unprimeable number, because it can be changed into a prime (23678518499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2058472 + ... + 2069942.

It is an arithmetic number, because the mean of its divisors is an integer number (1981443840).

Almost surely, 2^23678518497 is an apocalyptic number.

It is an amenable number.

23678518497 is a deficient number, since it is larger than the sum of its proper divisors (8024582943).

23678518497 is a wasteful number, since it uses less digits than its factorization.

23678518497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14284.

The product of its digits is 20321280, while the sum is 60.

The spelling of 23678518497 in words is "twenty-three billion, six hundred seventy-eight million, five hundred eighteen thousand, four hundred ninety-seven".