23440030321541 has 2 divisors, whose sum is σ = 23440030321542. Its totient is φ = 23440030321540.

The previous prime is 23440030321537. The next prime is 23440030321549. The reversal of 23440030321541 is 14512303004432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23077897170916 + 362133150625 = 4803946^2 + 601775^2 .

It is a cyclic number.

It is not a de Polignac number, because 23440030321541 - 2² = 23440030321537 is a prime.

It is a super-2 number, since 2×23440030321541² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23440030321498 and 23440030321507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23440030321549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11720015160770 + 11720015160771.

It is an arithmetic number, because the mean of its divisors is an integer number (11720015160771).

Almost surely, 2^{23440030321541} is an apocalyptic number.

It is an amenable number.

23440030321541 is a deficient number, since it is larger than the sum of its proper divisors (1).

23440030321541 is an equidigital number, since it uses as much as digits as its factorization.

23440030321541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 23440030321541 its reverse (14512303004432), we get a palindrome (37952333325973).

The spelling of 23440030321541 in words is "twenty-three trillion, four hundred forty billion, thirty million, three hundred twenty-one thousand, five hundred forty-one".