23323221000 has 320 divisors, whose sum is σ = 84347406000. Its totient is φ = 6004454400.

The previous prime is 23323220989. The next prime is 23323221011. The reversal of 23323221000 is 12232332.

It is a happy number.

23323221000 is a `hidden beast` number, since 2 + 332 + 322 + 10 + 0 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (23323220989) and next prime (23323221011).

It can be written as a sum of positive squares in 8 ways, for example, as 29746116 + 23293474884 = 5454^2 + 152622^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2344036 + ... + 2353964.

Almost surely, 2^23323221000 is an apocalyptic number.

23323221000 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 23323221000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42173703000).

23323221000 is an abundant number, since it is smaller than the sum of its proper divisors (61024185000).

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

23323221000 is a wasteful number, since it uses less digits than its factorization.

23323221000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9991 (or 9968 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 23323221000 its reverse (12232332), we get a palindrome (23335453332).

The spelling of 23323221000 in words is "twenty-three billion, three hundred twenty-three million, two hundred twenty-one thousand".