1123130505433 has 2 divisors, whose sum is σ = 1123130505434. Its totient is φ = 1123130505432.

The previous prime is 1123130505421. The next prime is 1123130505443. The reversal of 1123130505433 is 3345050313211.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 947143543369 + 175986962064 = 973213^2 + 419508^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1123130505433 is a prime.

It is a super-2 number, since 2×1123130505433² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1123130505395 and 1123130505404.

It is not a weakly prime, because it can be changed into another prime (1123130505443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561565252716 + 561565252717.

It is an arithmetic number, because the mean of its divisors is an integer number (561565252717).

Almost surely, 2^{1123130505433} is an apocalyptic number.

It is an amenable number.

1123130505433 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123130505433 is an equidigital number, since it uses as much as digits as its factorization.

1123130505433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 31.

Adding to 1123130505433 its reverse (3345050313211), we get a palindrome (4468180818644).

The spelling of 1123130505433 in words is "one trillion, one hundred twenty-three billion, one hundred thirty million, five hundred five thousand, four hundred thirty-three".