423200412520 has 16 divisors (see below), whose sum is σ = 952200928260. Its totient is φ = 169280164992.

The previous prime is 423200412511. The next prime is 423200412527. The reversal of 423200412520 is 25214002324.

It can be written as a sum of positive squares in 2 ways, for example, as 402354250596 + 20846161924 = 634314^2 + 144382^2 .

It is not an unprimeable number, because it can be changed into a prime (423200412527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5290005117 + ... + 5290005196.

Almost surely, 2^423200412520 is an apocalyptic number.

423200412520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423200412520 is an abundant number, since it is smaller than the sum of its proper divisors (529000515740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423200412520 is a wasteful number, since it uses less digits than its factorization.

423200412520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10580010324 (or 10580010320 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 423200412520 its reverse (25214002324), we get a palindrome (448414414844).

The spelling of 423200412520 in words is "four hundred twenty-three billion, two hundred million, four hundred twelve thousand, five hundred twenty".