11023123003 has 4 divisors (see below), whose sum is σ = 11378707648. Its totient is φ = 10667538360.

The previous prime is 11023122989. The next prime is 11023123043. The reversal of 11023123003 is 30032132011.

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 11023123003 - 2⁹ = 11023122491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11023123043) 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, 177792276 + ... + 177792337.

It is an arithmetic number, because the mean of its divisors is an integer number (2844676912).

Almost surely, 2^11023123003 is an apocalyptic number.

11023123003 is a deficient number, since it is larger than the sum of its proper divisors (355584645).

11023123003 is an equidigital number, since it uses as much as digits as its factorization.

11023123003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355584644.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 11023123003 its reverse (30032132011), we get a palindrome (41055255014).

The spelling of 11023123003 in words is "eleven billion, twenty-three million, one hundred twenty-three thousand, three".