1123213311203 has 8 divisors (see below), whose sum is σ = 1153585201248. Its totient is φ = 1092842198784.

The previous prime is 1123213311149. The next prime is 1123213311217. The reversal of 1123213311203 is 3021133123211.

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

It is a cyclic number.

It is not a de Polignac number, because 1123213311203 - 2²⁸ = 1122944875747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123213311223) 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, 3862850 + ... + 4143432.

It is an arithmetic number, because the mean of its divisors is an integer number (144198150156).

Almost surely, 2^{1123213311203} is an apocalyptic number.

1123213311203 is a deficient number, since it is larger than the sum of its proper divisors (30371890045).

1123213311203 is a wasteful number, since it uses less digits than its factorization.

1123213311203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388813.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1123213311203 its reverse (3021133123211), we get a palindrome (4144346434414).

The spelling of 1123213311203 in words is "one trillion, one hundred twenty-three billion, two hundred thirteen million, three hundred eleven thousand, two hundred three".