11042233123 has 4 divisors (see below), whose sum is σ = 11056937248. Its totient is φ = 11027529000.

The previous prime is 11042233109. The next prime is 11042233127. The reversal of 11042233123 is 32133224011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11042233123 - 2⁹ = 11042232611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11042233094 and 11042233103.

It is not an unprimeable number, because it can be changed into a prime (11042233127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7350936 + ... + 7352437.

It is an arithmetic number, because the mean of its divisors is an integer number (2764234312).

Almost surely, 2^11042233123 is an apocalyptic number.

11042233123 is a deficient number, since it is larger than the sum of its proper divisors (14704125).

11042233123 is an equidigital number, since it uses as much as digits as its factorization.

11042233123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14704124.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 11042233123 its reverse (32133224011), we get a palindrome (43175457134).

The spelling of 11042233123 in words is "eleven billion, forty-two million, two hundred thirty-three thousand, one hundred twenty-three".