23440409199 has 24 divisors (see below), whose sum is σ = 34061882400. Its totient is φ = 15533166528.

The previous prime is 23440409197. The next prime is 23440409219. The reversal of 23440409199 is 99190404432.

23440409199 is a `hidden beast` number, since 234 + 4 + 0 + 409 + 1 + 9 + 9 = 666.

It is not a de Polignac number, because 23440409199 - 2¹ = 23440409197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23440409197) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1994689 + ... + 2006405.

It is an arithmetic number, because the mean of its divisors is an integer number (1419245100).

Almost surely, 2^23440409199 is an apocalyptic number.

23440409199 is a deficient number, since it is larger than the sum of its proper divisors (10621473201).

23440409199 is a wasteful number, since it uses less digits than its factorization.

23440409199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13039 (or 13036 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The spelling of 23440409199 in words is "twenty-three billion, four hundred forty million, four hundred nine thousand, one hundred ninety-nine".