23212000320 has 112 divisors (see below), whose sum is σ = 75690057408. Its totient is φ = 6022563840.

The previous prime is 23212000307. The next prime is 23212000321. The reversal of 23212000320 is 2300021232.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 23212000320.

It is not an unprimeable number, because it can be changed into a prime (23212000321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 291226 + ... + 362265.

It is an arithmetic number, because the mean of its divisors is an integer number (675804084).

Almost surely, 2^23212000320 is an apocalyptic number.

23212000320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23212000320 is an abundant number, since it is smaller than the sum of its proper divisors (52478057088).

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

23212000320 is a wasteful number, since it uses less digits than its factorization.

23212000320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653548 (or 653538 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 23212000320 its reverse (2300021232), we get a palindrome (25512021552).

The spelling of 23212000320 in words is "twenty-three billion, two hundred twelve million, three hundred twenty", and thus it is an aban number.