23003123211 has 6 divisors (see below), whose sum is σ = 33226733540. Its totient is φ = 15335415468.

The previous prime is 23003123177. The next prime is 23003123219. The reversal of 23003123211 is 11232130032.

23003123211 is a `hidden beast` number, since 2 + 30 + 0 + 312 + 321 + 1 = 666.

It is not a de Polignac number, because 23003123211 - 2¹³ = 23003115019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23003123219) 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 5 ways as a sum of consecutive naturals, for example, 1277951281 + ... + 1277951298.

Almost surely, 2^23003123211 is an apocalyptic number.

23003123211 is a deficient number, since it is larger than the sum of its proper divisors (10223610329).

23003123211 is a wasteful number, since it uses less digits than its factorization.

23003123211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2555902585 (or 2555902582 counting only the distinct ones).

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

Adding to 23003123211 its reverse (11232130032), we get a palindrome (34235253243).

The spelling of 23003123211 in words is "twenty-three billion, three million, one hundred twenty-three thousand, two hundred eleven".