23319470717 has 4 divisors (see below), whose sum is σ = 23320341660. Its totient is φ = 23318599776.

The previous prime is 23319470693. The next prime is 23319470747. The reversal of 23319470717 is 71707491332.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1290677476 + 22028793241 = 35926^2 + 148421^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23319470717 is a prime.

It is a super-3 number, since 3×23319470717³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23319470747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393992 + ... + 449297.

It is an arithmetic number, because the mean of its divisors is an integer number (5830085415).

Almost surely, 2^23319470717 is an apocalyptic number.

It is an amenable number.

23319470717 is a deficient number, since it is larger than the sum of its proper divisors (870943).

23319470717 is an equidigital number, since it uses as much as digits as its factorization.

23319470717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870942.

The product of its (nonzero) digits is 222264, while the sum is 44.

The spelling of 23319470717 in words is "twenty-three billion, three hundred nineteen million, four hundred seventy thousand, seven hundred seventeen".