1143121140223 has 2 divisors, whose sum is σ = 1143121140224. Its totient is φ = 1143121140222.

The previous prime is 1143121140149. The next prime is 1143121140251. The reversal of 1143121140223 is 3220411213411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1143121140223 - 2¹³ = 1143121132031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1143121140523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571560570111 + 571560570112.

It is an arithmetic number, because the mean of its divisors is an integer number (571560570112).

Almost surely, 2^{1143121140223} is an apocalyptic number.

1143121140223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143121140223 is an equidigital number, since it uses as much as digits as its factorization.

1143121140223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 1143121140223 its reverse (3220411213411), we get a palindrome (4363532353634).

The spelling of 1143121140223 in words is "one trillion, one hundred forty-three billion, one hundred twenty-one million, one hundred forty thousand, two hundred twenty-three".