23216398216 has 16 divisors (see below), whose sum is σ = 47488087440. Its totient is φ = 10552908240.

The previous prime is 23216398213. The next prime is 23216398327. The reversal of 23216398216 is 61289361232.

It is a super-2 number, since 2×23216398216² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23216398213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131911266 + ... + 131911441.

It is an arithmetic number, because the mean of its divisors is an integer number (2968005465).

Almost surely, 2^23216398216 is an apocalyptic number.

It is an amenable number.

23216398216 is an abundant number, since it is smaller than the sum of its proper divisors (24271689224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23216398216 is a wasteful number, since it uses less digits than its factorization.

23216398216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263822724 (or 263822720 counting only the distinct ones).

The product of its digits is 186624, while the sum is 43.

The spelling of 23216398216 in words is "twenty-three billion, two hundred sixteen million, three hundred ninety-eight thousand, two hundred sixteen".