340143430 has 16 divisors (see below), whose sum is σ = 667918224. Its totient is φ = 123688480.

The previous prime is 340143367. The next prime is 340143467. The reversal of 340143430 is 34341043.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1545997 + ... + 1546216.

It is an arithmetic number, because the mean of its divisors is an integer number (41744889).

Almost surely, 2^340143430 is an apocalyptic number.

340143430 is a deficient number, since it is larger than the sum of its proper divisors (327774794).

340143430 is a wasteful number, since it uses less digits than its factorization.

340143430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3092231.

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

The square root of 340143430 is about 18442.9777964406. The cubic root of 340143430 is about 698.0513354307.

Adding to 340143430 its reverse (34341043), we get a palindrome (374484473).

The spelling of 340143430 in words is "three hundred forty million, one hundred forty-three thousand, four hundred thirty".