425453340223 has 2 divisors, whose sum is σ = 425453340224. Its totient is φ = 425453340222.

The previous prime is 425453340163. The next prime is 425453340251. The reversal of 425453340223 is 322043354524.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425453340223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425453340293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212726670111 + 212726670112.

It is an arithmetic number, because the mean of its divisors is an integer number (212726670112).

Almost surely, 2^425453340223 is an apocalyptic number.

425453340223 is a deficient number, since it is larger than the sum of its proper divisors (1).

425453340223 is an equidigital number, since it uses as much as digits as its factorization.

425453340223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 345600, while the sum is 37.

Adding to 425453340223 its reverse (322043354524), we get a palindrome (747496694747).

The spelling of 425453340223 in words is "four hundred twenty-five billion, four hundred fifty-three million, three hundred forty thousand, two hundred twenty-three".