423545204140 has 48 divisors (see below), whose sum is σ = 894257179200. Its totient is φ = 168502118400.

The previous prime is 423545204113. The next prime is 423545204179. The reversal of 423545204140 is 41402545324.

It is a junction number, because it is equal to n+sod(n) for n = 423545204096 and 423545204105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11128984 + ... + 11166976.

It is an arithmetic number, because the mean of its divisors is an integer number (18630357900).

Almost surely, 2^423545204140 is an apocalyptic number.

It is an amenable number.

423545204140 is an abundant number, since it is smaller than the sum of its proper divisors (470711975060).

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

423545204140 is a wasteful number, since it uses less digits than its factorization.

423545204140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41002 (or 41000 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 423545204140 its reverse (41402545324), we get a palindrome (464947749464).

The spelling of 423545204140 in words is "four hundred twenty-three billion, five hundred forty-five million, two hundred four thousand, one hundred forty".