423354420 has 36 divisors (see below), whose sum is σ = 1284175620. Its totient is φ = 112894464.

The previous prime is 423354413. The next prime is 423354431. The reversal of 423354420 is 24453324.

423354420 is a `hidden beast` number, since 4 + 233 + 5 + 4 + 420 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 218921616 + 204432804 = 14796^2 + 14298^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1175805 + ... + 1176164.

It is an arithmetic number, because the mean of its divisors is an integer number (35671545).

Almost surely, 2^423354420 is an apocalyptic number.

It is an amenable number.

423354420 is an abundant number, since it is smaller than the sum of its proper divisors (860821200).

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

423354420 is a wasteful number, since it uses less digits than its factorization.

423354420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2351984 (or 2351979 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 423354420 is about 20575.5782421783. The cubic root of 423354420 is about 750.8756705369.

It can be divided in two parts, 4233 and 54420, that added together give a triangular number (58653 = T₃₄₂).

The spelling of 423354420 in words is "four hundred twenty-three million, three hundred fifty-four thousand, four hundred twenty".