423375878856 has 64 divisors (see below), whose sum is σ = 1227699809280. Its totient is φ = 119159092800.

The previous prime is 423375878851. The next prime is 423375878879. The reversal of 423375878856 is 658878573324.

It is not an unprimeable number, because it can be changed into a prime (423375878851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18795420 + ... + 18817931.

It is an arithmetic number, because the mean of its divisors is an integer number (19182809520).

Almost surely, 2^423375878856 is an apocalyptic number.

It is an amenable number.

423375878856 is an abundant number, since it is smaller than the sum of its proper divisors (804323930424).

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

423375878856 is a wasteful number, since it uses less digits than its factorization.

423375878856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37613434 (or 37613430 counting only the distinct ones).

The product of its digits is 270950400, while the sum is 66.

The spelling of 423375878856 in words is "four hundred twenty-three billion, three hundred seventy-five million, eight hundred seventy-eight thousand, eight hundred fifty-six".