423474837345 has 64 divisors (see below), whose sum is σ = 861141757440. Its totient is φ = 193420099584.

The previous prime is 423474837277. The next prime is 423474837347. The reversal of 423474837345 is 543738474324.

423474837345 is a `hidden beast` number, since 4 + 23 + 474 + 83 + 73 + 4 + 5 = 666.

It is not a de Polignac number, because 423474837345 - 2⁸ = 423474837089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 423474837291 and 423474837300.

It is not an unprimeable number, because it can be changed into a prime (423474837347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 895257 + ... + 1283913.

It is an arithmetic number, because the mean of its divisors is an integer number (13455339960).

Almost surely, 2^423474837345 is an apocalyptic number.

423474837345 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

423474837345 is an abundant number, since it is smaller than the sum of its proper divisors (437666920095).

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

423474837345 is a wasteful number, since it uses less digits than its factorization.

423474837345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389831 (or 389825 counting only the distinct ones).

The product of its digits is 27095040, while the sum is 54.

The spelling of 423474837345 in words is "four hundred twenty-three billion, four hundred seventy-four million, eight hundred thirty-seven thousand, three hundred forty-five".