4431023123444 has 6 divisors (see below), whose sum is σ = 7754290466034. Its totient is φ = 2215511561720.

The previous prime is 4431023123437. The next prime is 4431023123447. The reversal of 4431023123444 is 4443213201344.

It can be written as a sum of positive squares in only one way, i.e., 3237768384400 + 1193254739044 = 1799380^2 + 1092362^2 .

It is a super-2 number, since 2×4431023123444² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4431023123447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 553877890427 + ... + 553877890434.

It is an arithmetic number, because the mean of its divisors is an integer number (1292381744339).

Almost surely, 2^{4431023123444} is an apocalyptic number.

It is an amenable number.

4431023123444 is a deficient number, since it is larger than the sum of its proper divisors (3323267342590).

4431023123444 is a wasteful number, since it uses less digits than its factorization.

4431023123444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107755780865 (or 1107755780863 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 4431023123444 its reverse (4443213201344), we get a palindrome (8874236324788).

The spelling of 4431023123444 in words is "four trillion, four hundred thirty-one billion, twenty-three million, one hundred twenty-three thousand, four hundred forty-four".