1131223100323 has 8 divisors (see below), whose sum is σ = 1163925819056. Its totient is φ = 1098811072800.

The previous prime is 1131223100317. The next prime is 1131223100369. The reversal of 1131223100323 is 3230013221311.

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-1131223100323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1131223100294 and 1131223100303.

It is not an unprimeable number, because it can be changed into a prime (1131283100323) 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 7 ways as a sum of consecutive naturals, for example, 72664908 + ... + 72680473.

It is an arithmetic number, because the mean of its divisors is an integer number (145490727382).

Almost surely, 2^{1131223100323} is an apocalyptic number.

1131223100323 is a deficient number, since it is larger than the sum of its proper divisors (32702718733).

1131223100323 is a wasteful number, since it uses less digits than its factorization.

1131223100323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145345605.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1131223100323 its reverse (3230013221311), we get a palindrome (4361236321634).

The spelling of 1131223100323 in words is "one trillion, one hundred thirty-one billion, two hundred twenty-three million, one hundred thousand, three hundred twenty-three".