4423618923 has 8 divisors (see below), whose sum is σ = 5994849936. Its totient is φ = 2900733600.

The previous prime is 4423618891. The next prime is 4423618933. The reversal of 4423618923 is 3298163244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4423618923 - 2⁵ = 4423618891 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (4423618933) 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, 12086208 + ... + 12086573.

It is an arithmetic number, because the mean of its divisors is an integer number (749356242).

Almost surely, 2^4423618923 is an apocalyptic number.

4423618923 is a deficient number, since it is larger than the sum of its proper divisors (1571231013).

4423618923 is a wasteful number, since it uses less digits than its factorization.

4423618923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24172845.

The product of its digits is 248832, while the sum is 42.

The square root of 4423618923 is about 66510.2918577268. The cubic root of 4423618923 is about 1641.5693537835.

The spelling of 4423618923 in words is "four billion, four hundred twenty-three million, six hundred eighteen thousand, nine hundred twenty-three".