1123242430 has 16 divisors (see below), whose sum is σ = 2022639840. Its totient is φ = 449118432.

The previous prime is 1123242427. The next prime is 1123242457. The reversal of 1123242430 is 342423211.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5791 + ... + 47749.

It is an arithmetic number, because the mean of its divisors is an integer number (126414990).

Almost surely, 2^1123242430 is an apocalyptic number.

1123242430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1123242430 is a deficient number, since it is larger than the sum of its proper divisors (899397410).

1123242430 is a wasteful number, since it uses less digits than its factorization.

1123242430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44643.

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

The square root of 1123242430 is about 33514.8091147779. The cubic root of 1123242430 is about 1039.5000154627.

Adding to 1123242430 its reverse (342423211), we get a palindrome (1465665641).

The spelling of 1123242430 in words is "one billion, one hundred twenty-three million, two hundred forty-two thousand, four hundred thirty".