4405320423 has 24 divisors (see below), whose sum is σ = 7274201376. Its totient is φ = 2516659200.

The previous prime is 4405320419. The next prime is 4405320431. The reversal of 4405320423 is 3240235044.

It is not a de Polignac number, because 4405320423 - 2² = 4405320419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4405320443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 326083 + ... + 339323.

It is an arithmetic number, because the mean of its divisors is an integer number (303091724).

Almost surely, 2^4405320423 is an apocalyptic number.

4405320423 is a deficient number, since it is larger than the sum of its proper divisors (2868880953).

4405320423 is a wasteful number, since it uses less digits than its factorization.

4405320423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18535 (or 18532 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 4405320423 is about 66372.5878883745. The cubic root of 4405320423 is about 1639.3027502783.

Adding to 4405320423 its reverse (3240235044), we get a palindrome (7645555467).

The spelling of 4405320423 in words is "four billion, four hundred five million, three hundred twenty thousand, four hundred twenty-three".