23331223320 has 64 divisors (see below), whose sum is σ = 70188768000. Its totient is φ = 6204317568.

The previous prime is 23331223319. The next prime is 23331223343. The reversal of 23331223320 is 2332213332.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227710 + ... + 313869.

It is an arithmetic number, because the mean of its divisors is an integer number (1096699500).

Almost surely, 2^23331223320 is an apocalyptic number.

23331223320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23331223320 is an abundant number, since it is smaller than the sum of its proper divisors (46857544680).

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

23331223320 is a wasteful number, since it uses less digits than its factorization.

23331223320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541952 (or 541948 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 23331223320 its reverse (2332213332), we get a palindrome (25663436652).

The spelling of 23331223320 in words is "twenty-three billion, three hundred thirty-one million, two hundred twenty-three thousand, three hundred twenty".