4423121304 has 32 divisors (see below), whose sum is σ = 12637489920. Its totient is φ = 1263748896.

The previous prime is 4423121299. The next prime is 4423121327. The reversal of 4423121304 is 4031213244.

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 7 ways as a sum of consecutive naturals, for example, 13163884 + ... + 13164219.

It is an arithmetic number, because the mean of its divisors is an integer number (394921560).

Almost surely, 2^4423121304 is an apocalyptic number.

It is an amenable number.

4423121304 is an abundant number, since it is smaller than the sum of its proper divisors (8214368616).

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

4423121304 is a wasteful number, since it uses less digits than its factorization.

4423121304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26328119 (or 26328115 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 4423121304 is about 66506.5508352373. The cubic root of 4423121304 is about 1641.5077973409.

Adding to 4423121304 its reverse (4031213244), we get a palindrome (8454334548).

The spelling of 4423121304 in words is "four billion, four hundred twenty-three million, one hundred twenty-one thousand, three hundred four".