343232140 has 24 divisors (see below), whose sum is σ = 723148272. Its totient is φ = 136843200.

The previous prime is 343232119. The next prime is 343232143. The reversal of 343232140 is 41232343.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (343232143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21811 + ... + 34090.

It is an arithmetic number, because the mean of its divisors is an integer number (30131178).

Almost surely, 2^343232140 is an apocalyptic number.

It is an amenable number.

343232140 is an abundant number, since it is smaller than the sum of its proper divisors (379916132).

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

343232140 is a wasteful number, since it uses less digits than its factorization.

343232140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56217 (or 56215 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 343232140 is about 18526.5253083248. The cubic root of 343232140 is about 700.1578827547.

Adding to 343232140 its reverse (41232343), we get a palindrome (384464483).

It can be divided in two parts, 34323 and 2140, that added together give a palindrome (36463).

The spelling of 343232140 in words is "three hundred forty-three million, two hundred thirty-two thousand, one hundred forty".