420123535325425 has 12 divisors (see below), whose sum is σ = 520961270993100. Its totient is φ = 336093610718720.

The previous prime is 420123535325407. The next prime is 420123535325437. The reversal of 420123535325425 is 524523535321024.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 18484900551649 + 401638634773776 = 4299407^2 + 20040924^2 .

It is not a de Polignac number, because 420123535325425 - 2¹⁹ = 420123534801137 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 128795500 + ... + 132017149.

It is an arithmetic number, because the mean of its divisors is an integer number (43413439249425).

Almost surely, 2^{420123535325425} is an apocalyptic number.

It is an amenable number.

420123535325425 is a deficient number, since it is larger than the sum of its proper divisors (100837735667675).

420123535325425 is a wasteful number, since it uses less digits than its factorization.

420123535325425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260877092 (or 260877087 counting only the distinct ones).

The product of its (nonzero) digits is 4320000, while the sum is 46.

The spelling of 420123535325425 in words is "four hundred twenty trillion, one hundred twenty-three billion, five hundred thirty-five million, three hundred twenty-five thousand, four hundred twenty-five".