352123730 has 32 divisors (see below), whose sum is σ = 747740160. Its totient is φ = 116832960.

The previous prime is 352123729. The next prime is 352123747. The reversal of 352123730 is 37321253.

It is a super-2 number, since 2×352123730² = 247982242458225800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 352123730.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78965 + ... + 83304.

It is an arithmetic number, because the mean of its divisors is an integer number (23366880).

Almost surely, 2^352123730 is an apocalyptic number.

352123730 is an abundant number, since it is smaller than the sum of its proper divisors (395616430).

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

352123730 is a wasteful number, since it uses less digits than its factorization.

352123730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162314.

The product of its (nonzero) digits is 3780, while the sum is 26.

The square root of 352123730 is about 18764.9601651589. The cubic root of 352123730 is about 706.1523865404.

Adding to 352123730 its reverse (37321253), we get a palindrome (389444983).

The spelling of 352123730 in words is "three hundred fifty-two million, one hundred twenty-three thousand, seven hundred thirty".