423236120356 has 81 divisors (see below), whose sum is σ = 890871835707. Its totient is φ = 175418616240.

The previous prime is 423236120303. The next prime is 423236120369. The reversal of 423236120356 is 653021632324.

The square root of 423236120356 is 650566.

It is a perfect power (a square), and thus also a powerful number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 282344895 + ... + 282346393.

Almost surely, 2^423236120356 is an apocalyptic number.

423236120356 is the 650566-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423236120356

423236120356 is an abundant number, since it is smaller than the sum of its proper divisors (467635715351).

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

423236120356 is an equidigital number, since it uses as much as digits as its factorization.

423236120356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3078 (or 1539 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 37.

The spelling of 423236120356 in words is "four hundred twenty-three billion, two hundred thirty-six million, one hundred twenty thousand, three hundred fifty-six".