23213312000 has 96 divisors (see below), whose sum is σ = 57926919960. Its totient is φ = 9285222400.

The previous prime is 23213311999. The next prime is 23213312041. The reversal of 23213312000 is 21331232.

It can be written as a sum of positive squares in 4 ways, for example, as 1347183616 + 21866128384 = 36704^2 + 147872^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23213312000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210662 + ... + 301338.

Almost surely, 2^23213312000 is an apocalyptic number.

23213312000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23213312000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28963459980).

23213312000 is an abundant number, since it is smaller than the sum of its proper divisors (34713607960).

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

23213312000 is an frugal number, since it uses more digits than its factorization.

23213312000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90714 (or 90684 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 23213312000 its reverse (21331232), we get a palindrome (23234643232).

The spelling of 23213312000 in words is "twenty-three billion, two hundred thirteen million, three hundred twelve thousand".