1123404430 has 16 divisors (see below), whose sum is σ = 2060282304. Its totient is φ = 440883040.

The previous prime is 1123404413. The next prime is 1123404437. The reversal of 1123404430 is 344043211.

It is a super-3 number, since 3×1123404430³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123404437) 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, 1059286 + ... + 1060345.

It is an arithmetic number, because the mean of its divisors is an integer number (128767644).

Almost surely, 2^1123404430 is an apocalyptic number.

1123404430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1123404430 is a deficient number, since it is larger than the sum of its proper divisors (936877874).

1123404430 is a wasteful number, since it uses less digits than its factorization.

1123404430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2119691.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1123404430 is about 33517.2258696927. The cubic root of 1123404430 is about 1039.5499871348.

Adding to 1123404430 its reverse (344043211), we get a palindrome (1467447641).

The spelling of 1123404430 in words is "one billion, one hundred twenty-three million, four hundred four thousand, four hundred thirty".