43144444223 has 16 divisors (see below), whose sum is σ = 45826421760. Its totient is φ = 40535403744.

The previous prime is 43144444171. The next prime is 43144444249. The reversal of 43144444223 is 32244444134.

It is a cyclic number.

It is not a de Polignac number, because 43144444223 - 2³² = 38849476927 is a prime.

It is a super-2 number, since 2×43144444223² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43144444283) 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, 264938 + ... + 395576.

It is an arithmetic number, because the mean of its divisors is an integer number (2864151360).

Almost surely, 2^43144444223 is an apocalyptic number.

43144444223 is a deficient number, since it is larger than the sum of its proper divisors (2681977537).

43144444223 is a wasteful number, since it uses less digits than its factorization.

43144444223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130918.

The product of its digits is 147456, while the sum is 35.

Adding to 43144444223 its reverse (32244444134), we get a palindrome (75388888357).

The spelling of 43144444223 in words is "forty-three billion, one hundred forty-four million, four hundred forty-four thousand, two hundred twenty-three".