23312103220 has 24 divisors (see below), whose sum is σ = 55949048064. Its totient is φ = 7992721056.

The previous prime is 23312103173. The next prime is 23312103223. The reversal of 23312103220 is 2230121332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23312103223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83257372 + ... + 83257651.

It is an arithmetic number, because the mean of its divisors is an integer number (2331210336).

Almost surely, 2^23312103220 is an apocalyptic number.

23312103220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23312103220 is an abundant number, since it is smaller than the sum of its proper divisors (32636944844).

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

23312103220 is a wasteful number, since it uses less digits than its factorization.

23312103220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166515039 (or 166515037 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 23312103220 its reverse (2230121332), we get a palindrome (25542224552).

The spelling of 23312103220 in words is "twenty-three billion, three hundred twelve million, one hundred three thousand, two hundred twenty".