1123330143 has 32 divisors (see below), whose sum is σ = 1702149120. Its totient is φ = 653748480.

The previous prime is 1123330123. The next prime is 1123330163. The reversal of 1123330143 is 3410333211.

1123330143 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1123330123) and next prime (1123330163).

It is not a de Polignac number, because 1123330143 - 2¹⁷ = 1123199071 is a prime.

It is a super-2 number, since 2×1123330143² = 2523741220344800898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123330123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72798 + ... + 86868.

It is an arithmetic number, because the mean of its divisors is an integer number (53192160).

Almost surely, 2^1123330143 is an apocalyptic number.

1123330143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1123330143 is a deficient number, since it is larger than the sum of its proper divisors (578818977).

1123330143 is a wasteful number, since it uses less digits than its factorization.

1123330143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14199.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 1123330143 is about 33516.1176600155. The cubic root of 1123330143 is about 1039.5270726349.

Adding to 1123330143 its reverse (3410333211), we get a palindrome (4533663354).

The spelling of 1123330143 in words is "one billion, one hundred twenty-three million, three hundred thirty thousand, one hundred forty-three".