23303243440131 has 32 divisors (see below), whose sum is σ = 34171142423040. Its totient is φ = 14060267679744.

The previous prime is 23303243440121. The next prime is 23303243440153. The reversal of 23303243440131 is 13104434230332.

It is a happy number.

It is not a de Polignac number, because 23303243440131 - 2²² = 23303239245827 is a prime.

It is a super-2 number, since 2×23303243440131² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23303243440092 and 23303243440101.

It is not an unprimeable number, because it can be changed into a prime (23303243440121) 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 31 ways as a sum of consecutive naturals, for example, 10106430 + ... + 12196163.

It is an arithmetic number, because the mean of its divisors is an integer number (1067848200720).

Almost surely, 2^{23303243440131} is an apocalyptic number.

23303243440131 is a deficient number, since it is larger than the sum of its proper divisors (10867898982909).

23303243440131 is a wasteful number, since it uses less digits than its factorization.

23303243440131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22303435.

The product of its (nonzero) digits is 62208, while the sum is 33.

Adding to 23303243440131 its reverse (13104434230332), we get a palindrome (36407677670463).

The spelling of 23303243440131 in words is "twenty-three trillion, three hundred three billion, two hundred forty-three million, four hundred forty thousand, one hundred thirty-one".