1121040403223 has 24 divisors (see below), whose sum is σ = 1232238396816. Its totient is φ = 1019281536000.

The previous prime is 1121040403207. The next prime is 1121040403267. The reversal of 1121040403223 is 3223040401211.

It is not a de Polignac number, because 1121040403223 - 2⁴ = 1121040403207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121040403523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3296873 + ... + 3620973.

It is an arithmetic number, because the mean of its divisors is an integer number (51343266534).

Almost surely, 2^{1121040403223} is an apocalyptic number.

1121040403223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1121040403223 is a deficient number, since it is larger than the sum of its proper divisors (111197993593).

1121040403223 is a wasteful number, since it uses less digits than its factorization.

1121040403223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324435 (or 324422 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 1121040403223 its reverse (3223040401211), we get a palindrome (4344080804434).

The spelling of 1121040403223 in words is "one trillion, one hundred twenty-one billion, forty million, four hundred three thousand, two hundred twenty-three".