23470716989 has 4 divisors (see below), whose sum is σ = 23526733440. Its totient is φ = 23414700540.

The previous prime is 23470716949. The next prime is 23470717007. The reversal of 23470716989 is 98961707432.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23470716989 - 2⁸ = 23470716733 is a prime.

It is a super-2 number, since 2×23470716989² (a number of 22 digits) contains 22 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 (23470716949) 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, 28007597 + ... + 28008434.

It is an arithmetic number, because the mean of its divisors is an integer number (5881683360).

Almost surely, 2^23470716989 is an apocalyptic number.

It is an amenable number.

23470716989 is a deficient number, since it is larger than the sum of its proper divisors (56016451).

23470716989 is an equidigital number, since it uses as much as digits as its factorization.

23470716989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56016450.

The product of its (nonzero) digits is 4572288, while the sum is 56.

The spelling of 23470716989 in words is "twenty-three billion, four hundred seventy million, seven hundred sixteen thousand, nine hundred eighty-nine".