23344578889 has 4 divisors (see below), whose sum is σ = 23349763024. Its totient is φ = 23339394756.

The previous prime is 23344578883. The next prime is 23344578899. The reversal of 23344578889 is 98887544332.

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 23344578889 - 2⁹ = 23344578377 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (23344578883) 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, 2585307 + ... + 2594320.

It is an arithmetic number, because the mean of its divisors is an integer number (5837440756).

Almost surely, 2^23344578889 is an apocalyptic number.

It is an amenable number.

23344578889 is a deficient number, since it is larger than the sum of its proper divisors (5184135).

23344578889 is an equidigital number, since it uses as much as digits as its factorization.

23344578889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5184134.

The product of its digits is 46448640, while the sum is 61.

The spelling of 23344578889 in words is "twenty-three billion, three hundred forty-four million, five hundred seventy-eight thousand, eight hundred eighty-nine".