23323023220 has 48 divisors (see below), whose sum is σ = 57905447040. Its totient is φ = 7720723584.

The previous prime is 23323023209. The next prime is 23323023253. The reversal of 23323023220 is 2232032332.

It is a junction number, because it is equal to n+sod(n) for n = 23323023191 and 23323023200.

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, 2868234 + ... + 2876353.

It is an arithmetic number, because the mean of its divisors is an integer number (1206363480).

Almost surely, 2^23323023220 is an apocalyptic number.

23323023220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23323023220 is an abundant number, since it is smaller than the sum of its proper divisors (34582423820).

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

23323023220 is a wasteful number, since it uses less digits than its factorization.

23323023220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5744632 (or 5744630 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 22.

Adding to 23323023220 its reverse (2232032332), we get a palindrome (25555055552).

The spelling of 23323023220 in words is "twenty-three billion, three hundred twenty-three million, twenty-three thousand, two hundred twenty".