1123430403041 has 4 divisors (see below), whose sum is σ = 1126559736000. Its totient is φ = 1120301070084.

The previous prime is 1123430403019. The next prime is 1123430403071. The reversal of 1123430403041 is 1403040343211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1123430403041 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1123430403041.

It is not an unprimeable number, because it can be changed into a prime (1123430403071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1564665941 + ... + 1564666658.

It is an arithmetic number, because the mean of its divisors is an integer number (281639934000).

Almost surely, 2^{1123430403041} is an apocalyptic number.

It is an amenable number.

1123430403041 is a deficient number, since it is larger than the sum of its proper divisors (3129332959).

1123430403041 is an equidigital number, since it uses as much as digits as its factorization.

1123430403041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3129332958.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 1123430403041 its reverse (1403040343211), we get a palindrome (2526470746252).

The spelling of 1123430403041 in words is "one trillion, one hundred twenty-three billion, four hundred thirty million, four hundred three thousand, forty-one".