23411305221 has 24 divisors (see below), whose sum is σ = 33023336544. Its totient is φ = 14750678880.

The previous prime is 23411305193. The next prime is 23411305231. The reversal of 23411305221 is 12250311432.

It is not a de Polignac number, because 23411305221 - 2⁵ = 23411305189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23411305191 and 23411305200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23411305231) 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 23 ways as a sum of consecutive naturals, for example, 430270 + ... + 481616.

It is an arithmetic number, because the mean of its divisors is an integer number (1375972356).

Almost surely, 2^23411305221 is an apocalyptic number.

It is an amenable number.

23411305221 is a deficient number, since it is larger than the sum of its proper divisors (9612031323).

23411305221 is a wasteful number, since it uses less digits than its factorization.

23411305221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51809 (or 51790 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 23411305221 its reverse (12250311432), we get a palindrome (35661616653).

The spelling of 23411305221 in words is "twenty-three billion, four hundred eleven million, three hundred five thousand, two hundred twenty-one".