23515486853 has 8 divisors (see below), whose sum is σ = 24347174880. Its totient is φ = 22685186160.

The previous prime is 23515486849. The next prime is 23515486859. The reversal of 23515486853 is 35868451532.

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

It is a cyclic number.

It is not a de Polignac number, because 23515486853 - 2² = 23515486849 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23515486859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312275 + ... + 380192.

It is an arithmetic number, because the mean of its divisors is an integer number (3043396860).

Almost surely, 2^23515486853 is an apocalyptic number.

It is an amenable number.

23515486853 is a deficient number, since it is larger than the sum of its proper divisors (831688027).

23515486853 is a wasteful number, since it uses less digits than its factorization.

23515486853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693667.

The product of its digits is 3456000, while the sum is 50.

The spelling of 23515486853 in words is "twenty-three billion, five hundred fifteen million, four hundred eighty-six thousand, eight hundred fifty-three".