23213000000 has 196 divisors, whose sum is σ = 58339878240. Its totient is φ = 9163200000.

The previous prime is 23212999993. The next prime is 23213000003. The reversal of 23213000000 is 31232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23213000003) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 138999917 + ... + 139000083.

It is an arithmetic number, because the mean of its divisors is an integer number (297652440).

Almost surely, 2^23213000000 is an apocalyptic number.

23213000000 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 23213000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29169939120).

23213000000 is an abundant number, since it is smaller than the sum of its proper divisors (35126878240).

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

23213000000 is an frugal number, since it uses more digits than its factorization.

23213000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348 (or 313 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

Adding to 23213000000 its reverse (31232), we get a palindrome (23213031232).

The spelling of 23213000000 in words is "twenty-three billion, two hundred thirteen million", and thus it is an aban number.