425435354523 has 12 divisors (see below), whose sum is σ = 620155513120. Its totient is φ = 281021517936.

The previous prime is 425435354507. The next prime is 425435354543. The reversal of 425435354523 is 325453534524.

425435354523 is a `hidden beast` number, since 4 + 2 + 54 + 3 + 53 + 545 + 2 + 3 = 666.

It is not a de Polignac number, because 425435354523 - 2⁴ = 425435354507 is a prime.

It is a super-2 number, since 2×425435354523² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425435354543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 216836611 + ... + 216838572.

Almost surely, 2^425435354523 is an apocalyptic number.

425435354523 is a deficient number, since it is larger than the sum of its proper divisors (194720158597).

425435354523 is a wasteful number, since it uses less digits than its factorization.

425435354523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433675298 (or 433675295 counting only the distinct ones).

The product of its digits is 4320000, while the sum is 45.

The spelling of 425435354523 in words is "four hundred twenty-five billion, four hundred thirty-five million, three hundred fifty-four thousand, five hundred twenty-three".