23030123211 has 6 divisors (see below), whose sum is σ = 33265733540. Its totient is φ = 15353415468.

The previous prime is 23030123197. The next prime is 23030123239. The reversal of 23030123211 is 11232103032.

It is not a de Polignac number, because 23030123211 - 2¹⁰ = 23030122187 is a prime.

It is a super-2 number, since 2×23030123211² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23030123111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1279451281 + ... + 1279451298.

Almost surely, 2^23030123211 is an apocalyptic number.

23030123211 is a deficient number, since it is larger than the sum of its proper divisors (10235610329).

23030123211 is a wasteful number, since it uses less digits than its factorization.

23030123211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2558902585 (or 2558902582 counting only the distinct ones).

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

Adding to 23030123211 its reverse (11232103032), we get a palindrome (34262226243).

The spelling of 23030123211 in words is "twenty-three billion, thirty million, one hundred twenty-three thousand, two hundred eleven".