23909400041 has 2 divisors, whose sum is σ = 23909400042. Its totient is φ = 23909400040.

The previous prime is 23909400019. The next prime is 23909400133. The reversal of 23909400041 is 14000490932.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23869014016 + 40386025 = 154496^2 + 6355^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23909400041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23909399980 and 23909400007.

It is not a weakly prime, because it can be changed into another prime (23909400341) 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 as a sum of consecutive naturals, namely, 11954700020 + 11954700021.

It is an arithmetic number, because the mean of its divisors is an integer number (11954700021).

Almost surely, 2^23909400041 is an apocalyptic number.

It is an amenable number.

23909400041 is a deficient number, since it is larger than the sum of its proper divisors (1).

23909400041 is an equidigital number, since it uses as much as digits as its factorization.

23909400041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 32.

Adding to 23909400041 its reverse (14000490932), we get a palindrome (37909890973).

The spelling of 23909400041 in words is "twenty-three billion, nine hundred nine million, four hundred thousand, forty-one".