1123443510311 has 8 divisors (see below), whose sum is σ = 1147388308560. Its totient is φ = 1099662158272.

The previous prime is 1123443510283. The next prime is 1123443510353. The reversal of 1123443510311 is 1130153443211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1123443510311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123443510011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40847660 + ... + 40875153.

It is an arithmetic number, because the mean of its divisors is an integer number (143423538570).

Almost surely, 2^{1123443510311} is an apocalyptic number.

1123443510311 is a deficient number, since it is larger than the sum of its proper divisors (23944798249).

1123443510311 is an equidigital number, since it uses as much as digits as its factorization.

1123443510311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81723105.

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 1123443510311 its reverse (1130153443211), we get a palindrome (2253596953522).

The spelling of 1123443510311 in words is "one trillion, one hundred twenty-three billion, four hundred forty-three million, five hundred ten thousand, three hundred eleven".