4423440523 has 8 divisors (see below), whose sum is σ = 4616868096. Its totient is φ = 4230105000.

The previous prime is 4423440517. The next prime is 4423440551. The reversal of 4423440523 is 3250443244.

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

It is a cyclic number.

It is not a de Polignac number, because 4423440523 - 2²¹ = 4421343371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4423440583) 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, 86298 + ... + 127648.

It is an arithmetic number, because the mean of its divisors is an integer number (577108512).

Almost surely, 2^4423440523 is an apocalyptic number.

4423440523 is a deficient number, since it is larger than the sum of its proper divisors (193427573).

4423440523 is a wasteful number, since it uses less digits than its factorization.

4423440523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46025.

The product of its (nonzero) digits is 46080, while the sum is 31.

The square root of 4423440523 is about 66508.9506983834. The cubic root of 4423440523 is about 1641.5472858858.

Adding to 4423440523 its reverse (3250443244), we get a palindrome (7673883767).

The spelling of 4423440523 in words is "four billion, four hundred twenty-three million, four hundred forty thousand, five hundred twenty-three".