23311120203 has 18 divisors (see below), whose sum is σ = 39169025844. Its totient is φ = 13320639864.

The previous prime is 23311120201. The next prime is 23311120237. The reversal of 23311120203 is 30202111332.

It is not a de Polignac number, because 23311120203 - 2¹ = 23311120201 is a prime.

It is a super-2 number, since 2×23311120203² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23311120201) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 26429401 + ... + 26430282.

Almost surely, 2^23311120203 is an apocalyptic number.

23311120203 is a deficient number, since it is larger than the sum of its proper divisors (15857905641).

23311120203 is a wasteful number, since it uses less digits than its factorization.

23311120203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52859703 (or 52859693 counting only the distinct ones).

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

Adding to 23311120203 its reverse (30202111332), we get a palindrome (53513231535).

The spelling of 23311120203 in words is "twenty-three billion, three hundred eleven million, one hundred twenty thousand, two hundred three".