423405315140 has 72 divisors (see below), whose sum is σ = 912282490392. Its totient is φ = 165023377920.

The previous prime is 423405315121. The next prime is 423405315217. The reversal of 423405315140 is 41513504324.

It can be written as a sum of positive squares in 4 ways, for example, as 27293683264 + 396111631876 = 165208^2 + 629374^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 423405315097 and 423405315106.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13952624 + ... + 13982936.

Almost surely, 2^423405315140 is an apocalyptic number.

It is an amenable number.

423405315140 is an abundant number, since it is smaller than the sum of its proper divisors (488877175252).

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

423405315140 is a wasteful number, since it uses less digits than its factorization.

423405315140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30597 (or 30488 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 423405315140 its reverse (41513504324), we get a palindrome (464918819464).

The spelling of 423405315140 in words is "four hundred twenty-three billion, four hundred five million, three hundred fifteen thousand, one hundred forty".