423454356 has 72 divisors (see below), whose sum is σ = 1161704544. Its totient is φ = 129280320.

The previous prime is 423454333. The next prime is 423454363. The reversal of 423454356 is 653454324.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 423454356.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57855 + ... + 64761.

Almost surely, 2^423454356 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423454356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (580852272).

423454356 is an abundant number, since it is smaller than the sum of its proper divisors (738250188).

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

423454356 is a wasteful number, since it uses less digits than its factorization.

423454356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7061 (or 7056 counting only the distinct ones).

The product of its digits is 172800, while the sum is 36.

The square root of 423454356 is about 20578.0066089988. The cubic root of 423454356 is about 750.9347491746.

The spelling of 423454356 in words is "four hundred twenty-three million, four hundred fifty-four thousand, three hundred fifty-six".