1123140430 has 32 divisors (see below), whose sum is σ = 2055321216. Its totient is φ = 441797664.

The previous prime is 1123140419. The next prime is 1123140443. The reversal of 1123140430 is 340413211.

It is a super-2 number, since 2×1123140430² = 2522888851001169800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1123140398 and 1123140407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 553077 + ... + 555103.

It is an arithmetic number, because the mean of its divisors is an integer number (64228788).

Almost surely, 2^1123140430 is an apocalyptic number.

1123140430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1123140430 is a deficient number, since it is larger than the sum of its proper divisors (932180786).

1123140430 is a wasteful number, since it uses less digits than its factorization.

1123140430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2928.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1123140430 is about 33513.2873648647. The cubic root of 1123140430 is about 1039.4685493522.

Adding to 1123140430 its reverse (340413211), we get a palindrome (1463553641).

The spelling of 1123140430 in words is "one billion, one hundred twenty-three million, one hundred forty thousand, four hundred thirty".