2312444144 has 10 divisors (see below), whose sum is σ = 4480360560. Its totient is φ = 1156222064.

The previous prime is 2312444143. The next prime is 2312444177. The reversal of 2312444144 is 4414442132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312444143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72263864 + ... + 72263895.

It is an arithmetic number, because the mean of its divisors is an integer number (448036056).

Almost surely, 2^2312444144 is an apocalyptic number.

It is an amenable number.

2312444144 is a deficient number, since it is larger than the sum of its proper divisors (2167916416).

2312444144 is a wasteful number, since it uses less digits than its factorization.

2312444144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144527767 (or 144527761 counting only the distinct ones).

The product of its digits is 12288, while the sum is 29.

The square root of 2312444144 is about 48087.8793876378. The cubic root of 2312444144 is about 1322.3824710839.

Adding to 2312444144 its reverse (4414442132), we get a palindrome (6726886276).

The spelling of 2312444144 in words is "two billion, three hundred twelve million, four hundred forty-four thousand, one hundred forty-four".