23140364817 has 8 divisors (see below), whose sum is σ = 31571350624. Its totient is φ = 15068144448.

The previous prime is 23140364813. The next prime is 23140364831. The reversal of 23140364817 is 71846304132.

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

It is not a de Polignac number, because 23140364817 - 2² = 23140364813 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23140364813) 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, 89691208 + ... + 89691465.

It is an arithmetic number, because the mean of its divisors is an integer number (3946418828).

Almost surely, 2^23140364817 is an apocalyptic number.

It is an amenable number.

23140364817 is a deficient number, since it is larger than the sum of its proper divisors (8430985807).

23140364817 is a wasteful number, since it uses less digits than its factorization.

23140364817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179382719.

The product of its (nonzero) digits is 96768, while the sum is 39.

Adding to 23140364817 its reverse (71846304132), we get a palindrome (94986668949).

The spelling of 23140364817 in words is "twenty-three billion, one hundred forty million, three hundred sixty-four thousand, eight hundred seventeen".