24143220253 has 2 divisors, whose sum is σ = 24143220254. Its totient is φ = 24143220252.

The previous prime is 24143220209. The next prime is 24143220289. The reversal of 24143220253 is 35202234142.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22154238649 + 1988981604 = 148843^2 + 44598^2 .

It is a cyclic number.

It is not a de Polignac number, because 24143220253 - 2⁹ = 24143219741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24143220553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12071610126 + 12071610127.

It is an arithmetic number, because the mean of its divisors is an integer number (12071610127).

Almost surely, 2^24143220253 is an apocalyptic number.

It is an amenable number.

24143220253 is a deficient number, since it is larger than the sum of its proper divisors (1).

24143220253 is an equidigital number, since it uses as much as digits as its factorization.

24143220253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 24143220253 its reverse (35202234142), we get a palindrome (59345454395).

The spelling of 24143220253 in words is "twenty-four billion, one hundred forty-three million, two hundred twenty thousand, two hundred fifty-three".