23545343333441 has 2 divisors, whose sum is σ = 23545343333442. Its totient is φ = 23545343333440.

The previous prime is 23545343333381. The next prime is 23545343333459. The reversal of 23545343333441 is 14433334354532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23401125675841 + 144217657600 = 4837471^2 + 379760^2 .

It is a cyclic number.

It is not a de Polignac number, because 23545343333441 - 2²⁶ = 23545276224577 is a prime.

It is a super-2 number, since 2×23545343333441² (a number of 28 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (23545343335441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11772671666720 + 11772671666721.

It is an arithmetic number, because the mean of its divisors is an integer number (11772671666721).

Almost surely, 2^{23545343333441} is an apocalyptic number.

It is an amenable number.

23545343333441 is a deficient number, since it is larger than the sum of its proper divisors (1).

23545343333441 is an equidigital number, since it uses as much as digits as its factorization.

23545343333441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9331200, while the sum is 47.

Adding to 23545343333441 its reverse (14433334354532), we get a palindrome (37978677687973).

The spelling of 23545343333441 in words is "twenty-three trillion, five hundred forty-five billion, three hundred forty-three million, three hundred thirty-three thousand, four hundred forty-one".