11030123823 has 16 divisors (see below), whose sum is σ = 15375764736. Its totient is φ = 7020178880.

The previous prime is 11030123803. The next prime is 11030123831. The reversal of 11030123823 is 32832103011.

11030123823 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11030123823 - 2¹⁸ = 11029861679 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11030123793 and 11030123802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11030123803) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 117465 + ... + 189362.

It is an arithmetic number, because the mean of its divisors is an integer number (960985296).

Almost surely, 2^11030123823 is an apocalyptic number.

11030123823 is a deficient number, since it is larger than the sum of its proper divisors (4345640913).

11030123823 is a wasteful number, since it uses less digits than its factorization.

11030123823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307374.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 11030123823 its reverse (32832103011), we get a palindrome (43862226834).

The spelling of 11030123823 in words is "eleven billion, thirty million, one hundred twenty-three thousand, eight hundred twenty-three".