23439096405 has 12 divisors (see below), whose sum is σ = 40627767180. Its totient is φ = 12500851392.

The previous prime is 23439096389. The next prime is 23439096431. The reversal of 23439096405 is 50469093432.

23439096405 is a `hidden beast` number, since 234 + 3 + 9 + 0 + 9 + 6 + 405 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4380189489 + 19058906916 = 66183^2 + 138054^2 .

It is not a de Polignac number, because 23439096405 - 2⁴ = 23439096389 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 520868809 = 23439096405 / (2 + 3 + 4 + 3 + 9 + 0 + 9 + 6 + 4 + 0 + 5).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 260434360 + ... + 260434449.

It is an arithmetic number, because the mean of its divisors is an integer number (3385647265).

Almost surely, 2^23439096405 is an apocalyptic number.

It is an amenable number.

23439096405 is a deficient number, since it is larger than the sum of its proper divisors (17188670775).

23439096405 is a wasteful number, since it uses less digits than its factorization.

23439096405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520868820 (or 520868817 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 45.

The spelling of 23439096405 in words is "twenty-three billion, four hundred thirty-nine million, ninety-six thousand, four hundred five".