23217012213 has 16 divisors (see below), whose sum is σ = 31005581376. Its totient is φ = 15453250560.

The previous prime is 23217012211. The next prime is 23217012223. The reversal of 23217012213 is 31221071232.

It is a happy number.

It is not a de Polignac number, because 23217012213 - 2¹ = 23217012211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23217012211) 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, 8182231 + ... + 8185067.

It is an arithmetic number, because the mean of its divisors is an integer number (1937848836).

Almost surely, 2^23217012213 is an apocalyptic number.

It is an amenable number.

23217012213 is a deficient number, since it is larger than the sum of its proper divisors (7788569163).

23217012213 is a wasteful number, since it uses less digits than its factorization.

23217012213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6244.

The product of its (nonzero) digits is 1008, while the sum is 24.

Adding to 23217012213 its reverse (31221071232), we get a palindrome (54438083445).

The spelling of 23217012213 in words is "twenty-three billion, two hundred seventeen million, twelve thousand, two hundred thirteen".