23217224261 has 8 divisors (see below), whose sum is σ = 28946149824. Its totient is φ = 18091343520.

The previous prime is 23217224243. The next prime is 23217224263. The reversal of 23217224261 is 16242271232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23217224261 - 2²⁶ = 23150115397 is a prime.

It is a super-2 number, since 2×23217224261² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23217224263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150761120 + ... + 150761273.

It is an arithmetic number, because the mean of its divisors is an integer number (3618268728).

Almost surely, 2^23217224261 is an apocalyptic number.

It is an amenable number.

23217224261 is a deficient number, since it is larger than the sum of its proper divisors (5728925563).

23217224261 is a wasteful number, since it uses less digits than its factorization.

23217224261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301522411.

The product of its digits is 16128, while the sum is 32.

Adding to 23217224261 its reverse (16242271232), we get a palindrome (39459495493).

The spelling of 23217224261 in words is "twenty-three billion, two hundred seventeen million, two hundred twenty-four thousand, two hundred sixty-one".