23404144413 has 16 divisors (see below), whose sum is σ = 33612729920. Its totient is φ = 14399645184.

The previous prime is 23404144411. The next prime is 23404144417. The reversal of 23404144413 is 31444140432.

It is not a de Polignac number, because 23404144413 - 2¹ = 23404144411 is a prime.

It is a super-2 number, since 2×23404144413² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23404144411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144045 + ... + 259917.

It is an arithmetic number, because the mean of its divisors is an integer number (2100795620).

Almost surely, 2^23404144413 is an apocalyptic number.

It is an amenable number.

23404144413 is a deficient number, since it is larger than the sum of its proper divisors (10208585507).

23404144413 is a wasteful number, since it uses less digits than its factorization.

23404144413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121068.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 23404144413 its reverse (31444140432), we get a palindrome (54848284845).

The spelling of 23404144413 in words is "twenty-three billion, four hundred four million, one hundred forty-four thousand, four hundred thirteen".