351323056 has 40 divisors (see below), whose sum is σ = 783560960. Its totient is φ = 149477184.

The previous prime is 351323017. The next prime is 351323059. The reversal of 351323056 is 650323153.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (351323059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4285 + ... + 26851.

It is an arithmetic number, because the mean of its divisors is an integer number (19589024).

Almost surely, 2^351323056 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 351323056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (391780480).

351323056 is an abundant number, since it is smaller than the sum of its proper divisors (432237904).

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

351323056 is a wasteful number, since it uses less digits than its factorization.

351323056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22721 (or 22715 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 28.

The square root of 351323056 is about 18743.6137390846. The cubic root of 351323056 is about 705.6167538524.

It can be divided in two parts, 3513 and 23056, that added together give a square (26569 = 163²).

The spelling of 351323056 in words is "three hundred fifty-one million, three hundred twenty-three thousand, fifty-six".