23383608889 has 9 divisors (see below), whose sum is σ = 24222338413. Its totient is φ = 22572995872.

The previous prime is 23383608877. The next prime is 23383608923. The reversal of 23383608889 is 98880638332.

It is a happy number.

The square root of 23383608889 is 152917.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 7645225 + 23375963664 = 2765^2 + 152892^2 .

It is a de Polignac number, because none of the positive numbers 2^k-23383608889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23383608869) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4431957 + ... + 4437229.

Almost surely, 2^23383608889 is an apocalyptic number.

23383608889 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

23383608889 is the 152917-th square number.

23383608889 is the 76459-th centered octagonal number.

It is an amenable number.

23383608889 is a deficient number, since it is larger than the sum of its proper divisors (838729524).

23383608889 is an frugal number, since it uses more digits than its factorization.

23383608889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10604 (or 5302 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 58.

The spelling of 23383608889 in words is "twenty-three billion, three hundred eighty-three million, six hundred eight thousand, eight hundred eighty-nine".