23216324004 has 72 divisors (see below), whose sum is σ = 60900971040. Its totient is φ = 7733470464.

The previous prime is 23216323981. The next prime is 23216324041. The reversal of 23216324004 is 40042361232.

23216324004 is a `hidden beast` number, since 2 + 3 + 21 + 632 + 4 + 0 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1566292 + ... + 1581044.

It is an arithmetic number, because the mean of its divisors is an integer number (845846820).

Almost surely, 2^23216324004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23216324004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30450485520).

23216324004 is an abundant number, since it is smaller than the sum of its proper divisors (37684647036).

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

23216324004 is a wasteful number, since it uses less digits than its factorization.

23216324004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16391 (or 16377 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 23216324004 its reverse (40042361232), we get a palindrome (63258685236).

The spelling of 23216324004 in words is "twenty-three billion, two hundred sixteen million, three hundred twenty-four thousand, four".