23030220444 has 96 divisors (see below), whose sum is σ = 67081996800. Its totient is φ = 5974287360.

The previous prime is 23030220377. The next prime is 23030220497. The reversal of 23030220444 is 44402203032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 732112 + ... + 762920.

It is an arithmetic number, because the mean of its divisors is an integer number (698770800).

Almost surely, 2^23030220444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23030220444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33540998400).

23030220444 is an abundant number, since it is smaller than the sum of its proper divisors (44051776356).

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

23030220444 is a wasteful number, since it uses less digits than its factorization.

23030220444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31643 (or 31641 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 23030220444 its reverse (44402203032), we get a palindrome (67432423476).

The spelling of 23030220444 in words is "twenty-three billion, thirty million, two hundred twenty thousand, four hundred forty-four".