423140424253 has 2 divisors, whose sum is σ = 423140424254. Its totient is φ = 423140424252.

The previous prime is 423140424211. The next prime is 423140424263. The reversal of 423140424253 is 352424041324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 418715114724 + 4425309529 = 647082^2 + 66523^2 .

It is a cyclic number.

It is not a de Polignac number, because 423140424253 - 2¹⁷ = 423140293181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423140424263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211570212126 + 211570212127.

It is an arithmetic number, because the mean of its divisors is an integer number (211570212127).

Almost surely, 2^423140424253 is an apocalyptic number.

It is an amenable number.

423140424253 is a deficient number, since it is larger than the sum of its proper divisors (1).

423140424253 is an equidigital number, since it uses as much as digits as its factorization.

423140424253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 92160, while the sum is 34.

Adding to 423140424253 its reverse (352424041324), we get a palindrome (775564465577).

The spelling of 423140424253 in words is "four hundred twenty-three billion, one hundred forty million, four hundred twenty-four thousand, two hundred fifty-three".