425400023 has 2 divisors, whose sum is σ = 425400024. Its totient is φ = 425400022.

The previous prime is 425400013. The next prime is 425400029. The reversal of 425400023 is 320004524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 425400023 - 2²⁶ = 358291159 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 425399968 and 425400004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425400029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212700011 + 212700012.

It is an arithmetic number, because the mean of its divisors is an integer number (212700012).

Almost surely, 2^425400023 is an apocalyptic number.

425400023 is a deficient number, since it is larger than the sum of its proper divisors (1).

425400023 is an equidigital number, since it uses as much as digits as its factorization.

425400023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 425400023 is about 20625.2278290447. The cubic root of 425400023 is about 752.0831113580.

Adding to 425400023 its reverse (320004524), we get a palindrome (745404547).

The spelling of 425400023 in words is "four hundred twenty-five million, four hundred thousand, twenty-three".