1123580362543 has 2 divisors, whose sum is σ = 1123580362544. Its totient is φ = 1123580362542.

The previous prime is 1123580362459. The next prime is 1123580362561. The reversal of 1123580362543 is 3452630853211.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (3452630853211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1123580362543 - 2²¹ = 1123578265391 is a prime.

It is a super-4 number, since 4×1123580362543⁴ (a number of 49 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1123580362543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123580062543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561790181271 + 561790181272.

It is an arithmetic number, because the mean of its divisors is an integer number (561790181272).

Almost surely, 2^{1123580362543} is an apocalyptic number.

1123580362543 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123580362543 is an equidigital number, since it uses as much as digits as its factorization.

1123580362543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 1123580362543 in words is "one trillion, one hundred twenty-three billion, five hundred eighty million, three hundred sixty-two thousand, five hundred forty-three".