23433128211 has 16 divisors (see below), whose sum is σ = 31449729024. Its totient is φ = 15519417024.

The previous prime is 23433128179. The next prime is 23433128221. The reversal of 23433128211 is 11282133432.

It is not a de Polignac number, because 23433128211 - 2⁵ = 23433128179 is a prime.

It is a super-2 number, since 2×23433128211² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23433128221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 900495 + ... + 926151.

It is an arithmetic number, because the mean of its divisors is an integer number (1965608064).

Almost surely, 2^23433128211 is an apocalyptic number.

23433128211 is a deficient number, since it is larger than the sum of its proper divisors (8016600813).

23433128211 is a wasteful number, since it uses less digits than its factorization.

23433128211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27650.

The product of its digits is 6912, while the sum is 30.

The spelling of 23433128211 in words is "twenty-three billion, four hundred thirty-three million, one hundred twenty-eight thousand, two hundred eleven".