1143555055323 has 4 divisors (see below), whose sum is σ = 1524740073768. Its totient is φ = 762370036880.

The previous prime is 1143555055283. The next prime is 1143555055373. The reversal of 1143555055323 is 3235505553411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1143555055323 - 2¹² = 1143555051227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1143555055373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190592509218 + ... + 190592509223.

It is an arithmetic number, because the mean of its divisors is an integer number (381185018442).

Almost surely, 2^{1143555055323} is an apocalyptic number.

1143555055323 is a deficient number, since it is larger than the sum of its proper divisors (381185018445).

1143555055323 is an equidigital number, since it uses as much as digits as its factorization.

1143555055323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381185018444.

The product of its (nonzero) digits is 675000, while the sum is 42.

The spelling of 1143555055323 in words is "one trillion, one hundred forty-three billion, five hundred fifty-five million, fifty-five thousand, three hundred twenty-three".