23045043405 has 16 divisors (see below), whose sum is σ = 37034506944. Its totient is φ = 12236544000.

The previous prime is 23045043403. The next prime is 23045043433. The reversal of 23045043405 is 50434054032.

It is not a de Polignac number, because 23045043405 - 2¹ = 23045043403 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23045043403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3380596 + ... + 3387405.

It is an arithmetic number, because the mean of its divisors is an integer number (2314656684).

Almost surely, 2^23045043405 is an apocalyptic number.

It is an amenable number.

23045043405 is a deficient number, since it is larger than the sum of its proper divisors (13989463539).

23045043405 is a wasteful number, since it uses less digits than its factorization.

23045043405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6768236.

The product of its (nonzero) digits is 28800, while the sum is 30.

Adding to 23045043405 its reverse (50434054032), we get a palindrome (73479097437).

The spelling of 23045043405 in words is "twenty-three billion, forty-five million, forty-three thousand, four hundred five".