23402344005 has 24 divisors (see below), whose sum is σ = 40663273560. Its totient is φ = 12450723840.

The previous prime is 23402344001. The next prime is 23402344019. The reversal of 23402344005 is 50044320432.

23402344005 is a `hidden beast` number, since 23 + 4 + 0 + 234 + 400 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3766767876 + 19635576129 = 61374^2 + 140127^2 .

It is not a de Polignac number, because 23402344005 - 2² = 23402344001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23402344005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23402344001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 617356 + ... + 654165.

It is an arithmetic number, because the mean of its divisors is an integer number (1694303065).

Almost surely, 2^23402344005 is an apocalyptic number.

It is an amenable number.

23402344005 is a deficient number, since it is larger than the sum of its proper divisors (17260929555).

23402344005 is a wasteful number, since it uses less digits than its factorization.

23402344005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271941 (or 1271938 counting only the distinct ones).

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

Adding to 23402344005 its reverse (50044320432), we get a palindrome (73446664437).

The spelling of 23402344005 in words is "twenty-three billion, four hundred two million, three hundred forty-four thousand, five".