423546623120 has 20 divisors (see below), whose sum is σ = 984745898940. Its totient is φ = 169418649216.

The previous prime is 423546623119. The next prime is 423546623189. The reversal of 423546623120 is 21326645324.

It can be written as a sum of positive squares in 2 ways, for example, as 76724568064 + 346822055056 = 276992^2 + 588916^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2647166315 + ... + 2647166474.

It is an arithmetic number, because the mean of its divisors is an integer number (49237294947).

Almost surely, 2^423546623120 is an apocalyptic number.

423546623120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423546623120 is an abundant number, since it is smaller than the sum of its proper divisors (561199275820).

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

423546623120 is a wasteful number, since it uses less digits than its factorization.

423546623120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5294332802 (or 5294332796 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 38.

The spelling of 423546623120 in words is "four hundred twenty-three billion, five hundred forty-six million, six hundred twenty-three thousand, one hundred twenty".