23321001320 has 32 divisors (see below), whose sum is σ = 52485645600. Its totient is φ = 9326019648.

The previous prime is 23321001287. The next prime is 23321001323. The reversal of 23321001320 is 2310012332.

It is not an unprimeable number, because it can be changed into a prime (23321001323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88691 + ... + 233469.

It is an arithmetic number, because the mean of its divisors is an integer number (1640176425).

Almost surely, 2^23321001320 is an apocalyptic number.

23321001320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23321001320 is an abundant number, since it is smaller than the sum of its proper divisors (29164644280).

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

23321001320 is a wasteful number, since it uses less digits than its factorization.

23321001320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148817 (or 148813 counting only the distinct ones).

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

Adding to 23321001320 its reverse (2310012332), we get a palindrome (25631013652).

The spelling of 23321001320 in words is "twenty-three billion, three hundred twenty-one million, one thousand, three hundred twenty".