1123030343423 has 2 divisors, whose sum is σ = 1123030343424. Its totient is φ = 1123030343422.

The previous prime is 1123030343419. The next prime is 1123030343431. The reversal of 1123030343423 is 3243430303211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1123030343423 - 2² = 1123030343419 is a prime.

It is a super-2 number, since 2×1123030343423² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123030343483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561515171711 + 561515171712.

It is an arithmetic number, because the mean of its divisors is an integer number (561515171712).

Almost surely, 2^{1123030343423} is an apocalyptic number.

1123030343423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123030343423 is an equidigital number, since it uses as much as digits as its factorization.

1123030343423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 1123030343423 its reverse (3243430303211), we get a palindrome (4366460646634).

The spelling of 1123030343423 in words is "one trillion, one hundred twenty-three billion, thirty million, three hundred forty-three thousand, four hundred twenty-three".