353223240 has 32 divisors (see below), whose sum is σ = 1059670080. Its totient is φ = 94192832.

The previous prime is 353223239. The next prime is 353223253. The reversal of 353223240 is 42322353.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 353223240.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1471644 + ... + 1471883.

It is an arithmetic number, because the mean of its divisors is an integer number (33114690).

Almost surely, 2^353223240 is an apocalyptic number.

353223240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

353223240 is an abundant number, since it is smaller than the sum of its proper divisors (706446840).

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

353223240 is a wasteful number, since it uses less digits than its factorization.

353223240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2943541 (or 2943537 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 24.

The square root of 353223240 is about 18794.2342222289. The cubic root of 353223240 is about 706.8866122450.

Adding to 353223240 its reverse (42322353), we get a palindrome (395545593).

The spelling of 353223240 in words is "three hundred fifty-three million, two hundred twenty-three thousand, two hundred forty".