23503454441 has 2 divisors, whose sum is σ = 23503454442. Its totient is φ = 23503454440.

The previous prime is 23503454437. The next prime is 23503454449. The reversal of 23503454441 is 14445430532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13919044441 + 9584410000 = 117979^2 + 97900^2 .

It is a cyclic number.

It is not a de Polignac number, because 23503454441 - 2² = 23503454437 is a prime.

It is not a weakly prime, because it can be changed into another prime (23503454449) 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 as a sum of consecutive naturals, namely, 11751727220 + 11751727221.

It is an arithmetic number, because the mean of its divisors is an integer number (11751727221).

Almost surely, 2^23503454441 is an apocalyptic number.

It is an amenable number.

23503454441 is a deficient number, since it is larger than the sum of its proper divisors (1).

23503454441 is an equidigital number, since it uses as much as digits as its factorization.

23503454441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 23503454441 its reverse (14445430532), we get a palindrome (37948884973).

The spelling of 23503454441 in words is "twenty-three billion, five hundred three million, four hundred fifty-four thousand, four hundred forty-one".