1123203321131 has 8 divisors (see below), whose sum is σ = 1131339064320. Its totient is φ = 1115088254568.

The previous prime is 1123203321109. The next prime is 1123203321151. The reversal of 1123203321131 is 1311233023211.

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 1123203321131 - 2⁶ = 1123203321067 is a prime.

It is a super-2 number, since 2×1123203321131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1123203321097 and 1123203321106.

It is not an unprimeable number, because it can be changed into a prime (1123203321151) 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, 5060111 + ... + 5277416.

It is an arithmetic number, because the mean of its divisors is an integer number (141417383040).

Almost surely, 2^{1123203321131} is an apocalyptic number.

1123203321131 is a deficient number, since it is larger than the sum of its proper divisors (8135743189).

1123203321131 is a wasteful number, since it uses less digits than its factorization.

1123203321131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10338313.

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

Adding to 1123203321131 its reverse (1311233023211), we get a palindrome (2434436344342).

The spelling of 1123203321131 in words is "one trillion, one hundred twenty-three billion, two hundred three million, three hundred twenty-one thousand, one hundred thirty-one".