23044559 has 4 divisors (see below), whose sum is σ = 23479416. Its totient is φ = 22609704.

The previous prime is 23044547. The next prime is 23044579. The reversal of 23044559 is 95544032.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 23044559 - 2¹² = 23040463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23044579) 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, 217349 + ... + 217454.

It is an arithmetic number, because the mean of its divisors is an integer number (5869854).

Almost surely, 2^23044559 is an apocalyptic number.

23044559 is a deficient number, since it is larger than the sum of its proper divisors (434857).

23044559 is an equidigital number, since it uses as much as digits as its factorization.

23044559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434856.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 23044559 is about 4800.4748723434. The cubic root of 23044559 is about 284.5702314971.

The spelling of 23044559 in words is "twenty-three million, forty-four thousand, five hundred fifty-nine".