343423530 has 32 divisors (see below), whose sum is σ = 915796800. Its totient is φ = 91579536.

The previous prime is 343423453. The next prime is 343423541. The reversal of 343423530 is 35324343.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 343423494 and 343423503.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 635700 + ... + 636239.

It is an arithmetic number, because the mean of its divisors is an integer number (28618650).

Almost surely, 2^343423530 is an apocalyptic number.

343423530 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

343423530 is an abundant number, since it is smaller than the sum of its proper divisors (572373270).

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

343423530 is a wasteful number, since it uses less digits than its factorization.

343423530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271955 (or 1271949 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 27.

The square root of 343423530 is about 18531.6898851670. The cubic root of 343423530 is about 700.2879971409.

Adding to 343423530 its reverse (35324343), we get a palindrome (378747873).

The spelling of 343423530 in words is "three hundred forty-three million, four hundred twenty-three thousand, five hundred thirty".