43223513444 has 6 divisors (see below), whose sum is σ = 75641148534. Its totient is φ = 21611756720.

The previous prime is 43223513371. The next prime is 43223513453. The reversal of 43223513444 is 44431532234.

It can be written as a sum of positive squares in only one way, i.e., 26611396900 + 16612116544 = 163130^2 + 128888^2 .

It is a super-2 number, since 2×43223513444² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5402939177 + ... + 5402939184.

It is an arithmetic number, because the mean of its divisors is an integer number (12606858089).

Almost surely, 2^43223513444 is an apocalyptic number.

It is an amenable number.

43223513444 is a deficient number, since it is larger than the sum of its proper divisors (32417635090).

43223513444 is a wasteful number, since it uses less digits than its factorization.

43223513444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10805878365 (or 10805878363 counting only the distinct ones).

The product of its digits is 138240, while the sum is 35.

The spelling of 43223513444 in words is "forty-three billion, two hundred twenty-three million, five hundred thirteen thousand, four hundred forty-four".