1123013213003 has 16 divisors (see below), whose sum is σ = 1263559288320. Its totient is φ = 989306268000.

The previous prime is 1123013212933. The next prime is 1123013213083. The reversal of 1123013213003 is 3003123103211.

It is a cyclic number.

It is not a de Polignac number, because 1123013213003 - 2¹² = 1123013208907 is a prime.

It is a super-2 number, since 2×1123013213003² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123013213083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10701113 + ... + 10805546.

It is an arithmetic number, because the mean of its divisors is an integer number (78972455520).

Almost surely, 2^{1123013213003} is an apocalyptic number.

1123013213003 is a deficient number, since it is larger than the sum of its proper divisors (140546075317).

1123013213003 is a wasteful number, since it uses less digits than its factorization.

1123013213003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21506818.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1123013213003 its reverse (3003123103211), we get a palindrome (4126136316214).

The spelling of 1123013213003 in words is "one trillion, one hundred twenty-three billion, thirteen million, two hundred thirteen thousand, three".