1143342011323 has 4 divisors (see below), whose sum is σ = 1143396740200. Its totient is φ = 1143287282448.

The previous prime is 1143342011311. The next prime is 1143342011401. The reversal of 1143342011323 is 3231102433411.

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 1143342011323 - 2¹⁷ = 1143341880251 is a prime.

It is a super-2 number, since 2×1143342011323² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1143342011291 and 1143342011300.

It is not an unprimeable number, because it can be changed into a prime (1143342015323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27333090 + ... + 27374887.

It is an arithmetic number, because the mean of its divisors is an integer number (285849185050).

Almost surely, 2^{1143342011323} is an apocalyptic number.

1143342011323 is a deficient number, since it is larger than the sum of its proper divisors (54728877).

1143342011323 is an equidigital number, since it uses as much as digits as its factorization.

1143342011323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54728876.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 1143342011323 its reverse (3231102433411), we get a palindrome (4374444444734).

The spelling of 1143342011323 in words is "one trillion, one hundred forty-three billion, three hundred forty-two million, eleven thousand, three hundred twenty-three".