1143534121123 has 2 divisors, whose sum is σ = 1143534121124. Its totient is φ = 1143534121122.

The previous prime is 1143534121091. The next prime is 1143534121141. The reversal of 1143534121123 is 3211214353411.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (3211214353411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1143534121123 - 2⁵ = 1143534121091 is a prime.

It is a super-2 number, since 2×1143534121123² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1143534121823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571767060561 + 571767060562.

It is an arithmetic number, because the mean of its divisors is an integer number (571767060562).

Almost surely, 2^{1143534121123} is an apocalyptic number.

1143534121123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143534121123 is an equidigital number, since it uses as much as digits as its factorization.

1143534121123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 31.

Adding to 1143534121123 its reverse (3211214353411), we get a palindrome (4354748474534).

The spelling of 1143534121123 in words is "one trillion, one hundred forty-three billion, five hundred thirty-four million, one hundred twenty-one thousand, one hundred twenty-three".