423441312004253 has 2 divisors, whose sum is σ = 423441312004254. Its totient is φ = 423441312004252.

The previous prime is 423441312004241. The next prime is 423441312004309. The reversal of 423441312004253 is 352400213144324.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 415579944665284 + 7861367338969 = 20385778^2 + 2803813^2 .

It is a cyclic number.

It is not a de Polignac number, because 423441312004253 - 2³⁰ = 423440238262429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423441312004853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211720656002126 + 211720656002127.

It is an arithmetic number, because the mean of its divisors is an integer number (211720656002127).

Almost surely, 2^{423441312004253} is an apocalyptic number.

It is an amenable number.

423441312004253 is a deficient number, since it is larger than the sum of its proper divisors (1).

423441312004253 is an equidigital number, since it uses as much as digits as its factorization.

423441312004253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 276480, while the sum is 38.

Adding to 423441312004253 its reverse (352400213144324), we get a palindrome (775841525148577).

The spelling of 423441312004253 in words is "four hundred twenty-three trillion, four hundred forty-one billion, three hundred twelve million, four thousand, two hundred fifty-three".