423405043142525 has 48 divisors (see below), whose sum is σ = 538936382228496. Its totient is φ = 329857920000000.

The previous prime is 423405043142519. The next prime is 423405043142531. The reversal of 423405043142525 is 525241340504324.

It is an interprime number because it is at equal distance from previous prime (423405043142519) and next prime (423405043142531).

It can be written as a sum of positive squares in 24 ways, for example, as 400250719275289 + 23154323867236 = 20006267^2 + 4811894^2 .

It is not a de Polignac number, because 423405043142525 - 2⁴ = 423405043142509 is a prime.

It is a super-3 number, since 3×423405043142525³ (a number of 45 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4657824575 + ... + 4657915475.

It is an arithmetic number, because the mean of its divisors is an integer number (11227841296427).

Almost surely, 2^{423405043142525} is an apocalyptic number.

It is an amenable number.

423405043142525 is a deficient number, since it is larger than the sum of its proper divisors (115531339085971).

423405043142525 is a wasteful number, since it uses less digits than its factorization.

423405043142525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121314 (or 121309 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 44.

Adding to 423405043142525 its reverse (525241340504324), we get a palindrome (948646383646849).

The spelling of 423405043142525 in words is "four hundred twenty-three trillion, four hundred five billion, forty-three million, one hundred forty-two thousand, five hundred twenty-five".