1143823543819 has 12 divisors (see below), whose sum is σ = 1267160296192. Its totient is φ = 1031651858160.

The previous prime is 1143823543817. The next prime is 1143823543853. The reversal of 1143823543819 is 9183453283411.

It is not a de Polignac number, because 1143823543819 - 2¹ = 1143823543817 is a prime.

It is a super-2 number, since 2×1143823543819² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1143823543817) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37201512 + ... + 37232245.

Almost surely, 2^{1143823543819} is an apocalyptic number.

1143823543819 is a deficient number, since it is larger than the sum of its proper divisors (123336752373).

1143823543819 is a wasteful number, since it uses less digits than its factorization.

1143823543819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74433906 (or 74433895 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 52.

The spelling of 1143823543819 in words is "one trillion, one hundred forty-three billion, eight hundred twenty-three million, five hundred forty-three thousand, eight hundred nineteen".