23133355427 has 16 divisors (see below), whose sum is σ = 28475553792. Its totient is φ = 18300915360.

The previous prime is 23133355417. The next prime is 23133355439. The reversal of 23133355427 is 72455333132.

It is not a de Polignac number, because 23133355427 - 2²⁰ = 23132306851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23133355417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1065878 + ... + 1087364.

It is an arithmetic number, because the mean of its divisors is an integer number (1779722112).

Almost surely, 2^23133355427 is an apocalyptic number.

23133355427 is a deficient number, since it is larger than the sum of its proper divisors (5342198365).

23133355427 is a wasteful number, since it uses less digits than its factorization.

23133355427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33338.

The product of its digits is 226800, while the sum is 38.

Adding to 23133355427 its reverse (72455333132), we get a palindrome (95588688559).

The spelling of 23133355427 in words is "twenty-three billion, one hundred thirty-three million, three hundred fifty-five thousand, four hundred twenty-seven".