23404140331 has 32 divisors (see below), whose sum is σ = 28195776000. Its totient is φ = 19140844800.

The previous prime is 23404140323. The next prime is 23404140343. The reversal of 23404140331 is 13304140432.

It is not a de Polignac number, because 23404140331 - 2³ = 23404140323 is a prime.

It is a super-2 number, since 2×23404140331² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23404140296 and 23404140305.

It is not an unprimeable number, because it can be changed into a prime (23404140931) 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 31 ways as a sum of consecutive naturals, for example, 8787306 + ... + 8789968.

It is an arithmetic number, because the mean of its divisors is an integer number (881118000).

Almost surely, 2^23404140331 is an apocalyptic number.

23404140331 is a deficient number, since it is larger than the sum of its proper divisors (4791635669).

23404140331 is a wasteful number, since it uses less digits than its factorization.

23404140331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4227.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 23404140331 its reverse (13304140432), we get a palindrome (36708280763).

The spelling of 23404140331 in words is "twenty-three billion, four hundred four million, one hundred forty thousand, three hundred thirty-one".