1143211242344 has 8 divisors (see below), whose sum is σ = 2143521079410. Its totient is φ = 571605621168.

The previous prime is 1143211242343. The next prime is 1143211242361. The reversal of 1143211242344 is 4432421123411.

It can be written as a sum of positive squares in only one way, i.e., 1113130502500 + 30080739844 = 1055050^2 + 173438^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1143211242344² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1143211242344.

It is not an unprimeable number, because it can be changed into a prime (1143211242343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71450702639 + ... + 71450702654.

Almost surely, 2^{1143211242344} is an apocalyptic number.

It is an amenable number.

1143211242344 is a deficient number, since it is larger than the sum of its proper divisors (1000309837066).

1143211242344 is a wasteful number, since it uses less digits than its factorization.

1143211242344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142901405299 (or 142901405295 counting only the distinct ones).

The product of its digits is 18432, while the sum is 32.

Adding to 1143211242344 its reverse (4432421123411), we get a palindrome (5575632365755).

The spelling of 1143211242344 in words is "one trillion, one hundred forty-three billion, two hundred eleven million, two hundred forty-two thousand, three hundred forty-four".