11023123013 has 16 divisors (see below), whose sum is σ = 12757409280. Its totient is φ = 9328865136.

The previous prime is 11023122989. The next prime is 11023123043. The reversal of 11023123013 is 31032132011.

It is a cyclic number.

It is not a de Polignac number, because 11023123013 - 2⁸ = 11023122757 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11023122982 and 11023123000.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 1145006 + ... + 1154592.

It is an arithmetic number, because the mean of its divisors is an integer number (797338080).

Almost surely, 2^11023123013 is an apocalyptic number.

It is an amenable number.

11023123013 is a deficient number, since it is larger than the sum of its proper divisors (1734286267).

11023123013 is an equidigital number, since it uses as much as digits as its factorization.

11023123013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11656.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 11023123013 its reverse (31032132011), we get a palindrome (42055255024).

The spelling of 11023123013 in words is "eleven billion, twenty-three million, one hundred twenty-three thousand, thirteen".