1145042530123 has 2 divisors, whose sum is σ = 1145042530124. Its totient is φ = 1145042530122.

The previous prime is 1145042530117. The next prime is 1145042530129. The reversal of 1145042530123 is 3210352405411.

It is a balanced prime because it is at equal distance from previous prime (1145042530117) and next prime (1145042530129).

It is an emirp because it is prime and its reverse (3210352405411) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1145042530123 is a prime.

It is a super-2 number, since 2×1145042530123² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1145042530129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572521265061 + 572521265062.

It is an arithmetic number, because the mean of its divisors is an integer number (572521265062).

Almost surely, 2^{1145042530123} is an apocalyptic number.

1145042530123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145042530123 is an equidigital number, since it uses as much as digits as its factorization.

1145042530123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 1145042530123 its reverse (3210352405411), we get a palindrome (4355394935534).

The spelling of 1145042530123 in words is "one trillion, one hundred forty-five billion, forty-two million, five hundred thirty thousand, one hundred twenty-three".