11123123230 has 16 divisors (see below), whose sum is σ = 20137356864. Its totient is φ = 4423530400.

The previous prime is 11123123153. The next prime is 11123123281. The reversal of 11123123230 is 3232132111.

It is a junction number, because it is equal to n+sod(n) for n = 11123123198 and 11123123207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3213046 + ... + 3216505.

It is an arithmetic number, because the mean of its divisors is an integer number (1258584804).

Almost surely, 2^11123123230 is an apocalyptic number.

11123123230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11123123230 is a deficient number, since it is larger than the sum of its proper divisors (9014233634).

11123123230 is a wasteful number, since it uses less digits than its factorization.

11123123230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6429731.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 11123123230 its reverse (3232132111), we get a palindrome (14355255341).

The spelling of 11123123230 in words is "eleven billion, one hundred twenty-three million, one hundred twenty-three thousand, two hundred thirty".