42304243253 has 2 divisors, whose sum is σ = 42304243254. Its totient is φ = 42304243252.

The previous prime is 42304243231. The next prime is 42304243271. The reversal of 42304243253 is 35234240324.

42304243253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41039871889 + 1264371364 = 202583^2 + 35558^2 .

It is a cyclic number.

It is not a de Polignac number, because 42304243253 - 2¹⁶ = 42304177717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42304243153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21152121626 + 21152121627.

It is an arithmetic number, because the mean of its divisors is an integer number (21152121627).

Almost surely, 2^42304243253 is an apocalyptic number.

It is an amenable number.

42304243253 is a deficient number, since it is larger than the sum of its proper divisors (1).

42304243253 is an equidigital number, since it uses as much as digits as its factorization.

42304243253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 32.

Adding to 42304243253 its reverse (35234240324), we get a palindrome (77538483577).

The spelling of 42304243253 in words is "forty-two billion, three hundred four million, two hundred forty-three thousand, two hundred fifty-three".