44044021323 has 8 divisors (see below), whose sum is σ = 65250402000. Its totient is φ = 29362680864.

The previous prime is 44044021291. The next prime is 44044021331. The reversal of 44044021323 is 32312044044.

It is a happy number.

44044021323 is a `hidden beast` number, since 4 + 4 + 0 + 440 + 213 + 2 + 3 = 666.

It is not a de Polignac number, because 44044021323 - 2⁵ = 44044021291 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1631260049 = 44044021323 / (4 + 4 + 0 + 4 + 4 + 0 + 2 + 1 + 3 + 2 + 3).

It is not an unprimeable number, because it can be changed into a prime (44044021423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 815629998 + ... + 815630051.

It is an arithmetic number, because the mean of its divisors is an integer number (8156300250).

Almost surely, 2^44044021323 is an apocalyptic number.

44044021323 is a deficient number, since it is larger than the sum of its proper divisors (21206380677).

44044021323 is a wasteful number, since it uses less digits than its factorization.

44044021323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1631260058 (or 1631260052 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 44044021323 its reverse (32312044044), we get a palindrome (76356065367).

The spelling of 44044021323 in words is "forty-four billion, forty-four million, twenty-one thousand, three hundred twenty-three".