2303143443444 has 12 divisors (see below), whose sum is σ = 5374001368064. Its totient is φ = 767714481144.

The previous prime is 2303143443421. The next prime is 2303143443463. The reversal of 2303143443444 is 4443443413032.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×2303143443444² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 95964310132 + ... + 95964310155.

Almost surely, 2^{2303143443444} is an apocalyptic number.

It is an amenable number.

2303143443444 is an abundant number, since it is smaller than the sum of its proper divisors (3070857924620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2303143443444 is a wasteful number, since it uses less digits than its factorization.

2303143443444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191928620294 (or 191928620292 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 39.

Adding to 2303143443444 its reverse (4443443413032), we get a palindrome (6746586856476).

The spelling of 2303143443444 in words is "two trillion, three hundred three billion, one hundred forty-three million, four hundred forty-three thousand, four hundred forty-four".