23323021320 has 64 divisors (see below), whose sum is σ = 69979360320. Its totient is φ = 6218557184.

The previous prime is 23323021313. The next prime is 23323021321. The reversal of 23323021320 is 2312032332.

It is not an unprimeable number, because it can be changed into a prime (23323021321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1325299 + ... + 1342781.

It is an arithmetic number, because the mean of its divisors is an integer number (1093427505).

Almost surely, 2^23323021320 is an apocalyptic number.

23323021320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23323021320 is an abundant number, since it is smaller than the sum of its proper divisors (46656339000).

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

23323021320 is a wasteful number, since it uses less digits than its factorization.

23323021320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28614 (or 28610 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 23323021320 its reverse (2312032332), we get a palindrome (25635053652).

The spelling of 23323021320 in words is "twenty-three billion, three hundred twenty-three million, twenty-one thousand, three hundred twenty".