23044443313 has 16 divisors (see below), whose sum is σ = 25016841360. Its totient is φ = 21141504000.

The previous prime is 23044443293. The next prime is 23044443319. The reversal of 23044443313 is 31334444032.

It can be written as a sum of positive squares in 8 ways, for example, as 6983443489 + 16060999824 = 83567^2 + 126732^2 .

It is a cyclic number.

It is not a de Polignac number, because 23044443313 - 2⁹ = 23044442801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23044443319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 823333 + ... + 850861.

It is an arithmetic number, because the mean of its divisors is an integer number (1563552585).

Almost surely, 2^23044443313 is an apocalyptic number.

It is an amenable number.

23044443313 is a deficient number, since it is larger than the sum of its proper divisors (1972398047).

23044443313 is a wasteful number, since it uses less digits than its factorization.

23044443313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28788.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 23044443313 its reverse (31334444032), we get a palindrome (54378887345).

The spelling of 23044443313 in words is "twenty-three billion, forty-four million, four hundred forty-three thousand, three hundred thirteen".