11203112023 has 4 divisors (see below), whose sum is σ = 11203861480. Its totient is φ = 11202362568.

The previous prime is 11203111993. The next prime is 11203112051. The reversal of 11203112023 is 32021130211.

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 11203112023 - 2⁵ = 11203111991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11203111988 and 11203112006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11203112923) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 351840 + ... + 382357.

It is an arithmetic number, because the mean of its divisors is an integer number (2800965370).

Almost surely, 2^11203112023 is an apocalyptic number.

11203112023 is a deficient number, since it is larger than the sum of its proper divisors (749457).

11203112023 is an equidigital number, since it uses as much as digits as its factorization.

11203112023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749456.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11203112023 its reverse (32021130211), we get a palindrome (43224242234).

The spelling of 11203112023 in words is "eleven billion, two hundred three million, one hundred twelve thousand, twenty-three".