11213203023 has 24 divisors (see below), whose sum is σ = 17672653440. Its totient is φ = 6794586960.

The previous prime is 11213202983. The next prime is 11213203049. The reversal of 11213203023 is 32030231211.

It is not a de Polignac number, because 11213203023 - 2¹⁴ = 11213186639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11213202987 and 11213203005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11213203063) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 890590 + ... + 903092.

It is an arithmetic number, because the mean of its divisors is an integer number (736360560).

Almost surely, 2^11213203023 is an apocalyptic number.

11213203023 is a deficient number, since it is larger than the sum of its proper divisors (6459450417).

11213203023 is a wasteful number, since it uses less digits than its factorization.

11213203023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21579 (or 21576 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 11213203023 its reverse (32030231211), we get a palindrome (43243434234).

The spelling of 11213203023 in words is "eleven billion, two hundred thirteen million, two hundred three thousand, twenty-three".