23404144405 has 8 divisors (see below), whose sum is σ = 28090675584. Its totient is φ = 18719514000.

The previous prime is 23404144403. The next prime is 23404144411. The reversal of 23404144405 is 50444140432.

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

It is not a de Polignac number, because 23404144405 - 2¹ = 23404144403 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23404144403) 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, 447961 + ... + 497470.

It is an arithmetic number, because the mean of its divisors is an integer number (3511334448).

Almost surely, 2^23404144405 is an apocalyptic number.

It is an amenable number.

23404144405 is a deficient number, since it is larger than the sum of its proper divisors (4686531179).

23404144405 is an equidigital number, since it uses as much as digits as its factorization.

23404144405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950387.

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 23404144405 its reverse (50444140432), we get a palindrome (73848284837).

The spelling of 23404144405 in words is "twenty-three billion, four hundred four million, one hundred forty-four thousand, four hundred five".