1121434131223 has 8 divisors (see below), whose sum is σ = 1281645521792. Its totient is φ = 961224369336.

The previous prime is 1121434131211. The next prime is 1121434131227. The reversal of 1121434131223 is 3221314341211.

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

It is a de Polignac number, because none of the positive numbers 2^k-1121434131223 is a prime.

It is a super-2 number, since 2×1121434131223² (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 = 1121434131191 and 1121434131200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121434131227) 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, 2086336 + ... + 2568202.

It is an arithmetic number, because the mean of its divisors is an integer number (160205690224).

Almost surely, 2^{1121434131223} is an apocalyptic number.

1121434131223 is a deficient number, since it is larger than the sum of its proper divisors (160211390569).

1121434131223 is an equidigital number, since it uses as much as digits as its factorization.

1121434131223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814341.

The product of its digits is 3456, while the sum is 28.

Adding to 1121434131223 its reverse (3221314341211), we get a palindrome (4342748472434).

The spelling of 1121434131223 in words is "one trillion, one hundred twenty-one billion, four hundred thirty-four million, one hundred thirty-one thousand, two hundred twenty-three".