1123302143 has 8 divisors (see below), whose sum is σ = 1160042496. Its totient is φ = 1086593400.

The previous prime is 1123302119. The next prime is 1123302199. The reversal of 1123302143 is 3412033211.

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

It is not a de Polignac number, because 1123302143 - 2¹⁰ = 1123301119 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 (1123302113) 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, 80030 + ... + 93012.

It is an arithmetic number, because the mean of its divisors is an integer number (145005312).

Almost surely, 2^1123302143 is an apocalyptic number.

1123302143 is a deficient number, since it is larger than the sum of its proper divisors (36740353).

1123302143 is a wasteful number, since it uses less digits than its factorization.

1123302143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15805.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1123302143 is about 33515.6999479348. The cubic root of 1123302143 is about 1039.5184355184.

Adding to 1123302143 its reverse (3412033211), we get a palindrome (4535335354).

The spelling of 1123302143 in words is "one billion, one hundred twenty-three million, three hundred two thousand, one hundred forty-three".