23044515205 has 4 divisors (see below), whose sum is σ = 27653418252. Its totient is φ = 18435612160.

The previous prime is 23044515187. The next prime is 23044515233. The reversal of 23044515205 is 50251544032.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11841139489 + 11203375716 = 108817^2 + 105846^2 .

It is not a de Polignac number, because 23044515205 - 2¹⁷ = 23044384133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2304451516 + ... + 2304451525.

It is an arithmetic number, because the mean of its divisors is an integer number (6913354563).

Almost surely, 2^23044515205 is an apocalyptic number.

It is an amenable number.

23044515205 is a deficient number, since it is larger than the sum of its proper divisors (4608903047).

23044515205 is an equidigital number, since it uses as much as digits as its factorization.

23044515205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4608903046.

The product of its (nonzero) digits is 24000, while the sum is 31.

The spelling of 23044515205 in words is "twenty-three billion, forty-four million, five hundred fifteen thousand, two hundred five".