4023420253 has 2 divisors, whose sum is σ = 4023420254. Its totient is φ = 4023420252.

The previous prime is 4023420251. The next prime is 4023420307. The reversal of 4023420253 is 3520243204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3790002969 + 233417284 = 61563^2 + 15278^2 .

It is a cyclic number.

It is not a de Polignac number, because 4023420253 - 2¹ = 4023420251 is a prime.

Together with 4023420251, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4023420251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2011710126 + 2011710127.

It is an arithmetic number, because the mean of its divisors is an integer number (2011710127).

Almost surely, 2^4023420253 is an apocalyptic number.

It is an amenable number.

4023420253 is a deficient number, since it is larger than the sum of its proper divisors (1).

4023420253 is an equidigital number, since it uses as much as digits as its factorization.

4023420253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 4023420253 is about 63430.4363298882. The cubic root of 4023420253 is about 1590.4931362018.

Adding to 4023420253 its reverse (3520243204), we get a palindrome (7543663457).

The spelling of 4023420253 in words is "four billion, twenty-three million, four hundred twenty thousand, two hundred fifty-three".