23313230020 has 48 divisors (see below), whose sum is σ = 50260085568. Its totient is φ = 9078652800.

The previous prime is 23313229991. The next prime is 23313230021. The reversal of 23313230020 is 2003231332.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 23313230020.

It is not an unprimeable number, because it can be changed into a prime (23313230021) 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 15 ways as a sum of consecutive naturals, for example, 219870 + ... + 308170.

It is an arithmetic number, because the mean of its divisors is an integer number (1047085116).

Almost surely, 2^23313230020 is an apocalyptic number.

23313230020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23313230020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25130042784).

23313230020 is an abundant number, since it is smaller than the sum of its proper divisors (26946855548).

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

23313230020 is a wasteful number, since it uses less digits than its factorization.

23313230020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88660 (or 88658 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 23313230020 its reverse (2003231332), we get a palindrome (25316461352).

The spelling of 23313230020 in words is "twenty-three billion, three hundred thirteen million, two hundred thirty thousand, twenty".