23018048089 has 3 divisors (see below), whose sum is σ = 23018199807. Its totient is φ = 23017896372.

The previous prime is 23018048033. The next prime is 23018048101. The reversal of 23018048089 is 98084081032.

The square root of 23018048089 is 151717.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 1264158025 + 21753890064 = 35555^2 + 147492^2 .

It is not a de Polignac number, because 23018048089 - 2¹³ = 23018039897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23018048189) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 75859 + ... + 227575.

It is an arithmetic number, because the mean of its divisors is an integer number (7672733269).

Almost surely, 2^23018048089 is an apocalyptic number.

23018048089 is the 151717-th square number.

23018048089 is the 75859-th centered octagonal number.

It is an amenable number.

23018048089 is a deficient number, since it is larger than the sum of its proper divisors (151718).

23018048089 is an frugal number, since it uses more digits than its factorization.

23018048089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303434 (or 151717 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 43.

The spelling of 23018048089 in words is "twenty-three billion, eighteen million, forty-eight thousand, eighty-nine".