1123003430 has 32 divisors (see below), whose sum is σ = 2071954944. Its totient is φ = 438038496.

The previous prime is 1123003429. The next prime is 1123003433. The reversal of 1123003430 is 343003211.

It is a happy number.

It is a super-2 number, since 2×1123003430² = 2522273407583529800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1123003399 and 1123003408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123003433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128789 + ... + 137231.

It is an arithmetic number, because the mean of its divisors is an integer number (64748592).

Almost surely, 2^1123003430 is an apocalyptic number.

1123003430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1123003430 is a deficient number, since it is larger than the sum of its proper divisors (948951514).

1123003430 is a wasteful number, since it uses less digits than its factorization.

1123003430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8780.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1123003430 is about 33511.2433371249. The cubic root of 1123003430 is about 1039.4262830490.

Adding to 1123003430 its reverse (343003211), we get a palindrome (1466006641).

The spelling of 1123003430 in words is "one billion, one hundred twenty-three million, three thousand, four hundred thirty".