23322341521 has 4 divisors (see below), whose sum is σ = 24549833200. Its totient is φ = 22094849844.

The previous prime is 23322341503. The next prime is 23322341533. The reversal of 23322341521 is 12514322332.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23322341521 - 2⁵ = 23322341489 is a prime.

It is a super-2 number, since 2×23322341521² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23322341521.

It is not an unprimeable number, because it can be changed into a prime (23322341621) 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 3 ways as a sum of consecutive naturals, for example, 613745811 + ... + 613745848.

It is an arithmetic number, because the mean of its divisors is an integer number (6137458300).

Almost surely, 2^23322341521 is an apocalyptic number.

It is an amenable number.

23322341521 is a deficient number, since it is larger than the sum of its proper divisors (1227491679).

23322341521 is a wasteful number, since it uses less digits than its factorization.

23322341521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1227491678.

The product of its digits is 8640, while the sum is 28.

Adding to 23322341521 its reverse (12514322332), we get a palindrome (35836663853).

The spelling of 23322341521 in words is "twenty-three billion, three hundred twenty-two million, three hundred forty-one thousand, five hundred twenty-one".