340423140 has 24 divisors (see below), whose sum is σ = 953184960. Its totient is φ = 90779488.

The previous prime is 340423117. The next prime is 340423169. The reversal of 340423140 is 41324043.

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 7 ways as a sum of consecutive naturals, for example, 2836800 + ... + 2836919.

It is an arithmetic number, because the mean of its divisors is an integer number (39716040).

Almost surely, 2^340423140 is an apocalyptic number.

340423140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

340423140 is an abundant number, since it is smaller than the sum of its proper divisors (612761820).

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

340423140 is a wasteful number, since it uses less digits than its factorization.

340423140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5673731 (or 5673729 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 340423140 is about 18450.5593411148. The cubic root of 340423140 is about 698.2426257568.

Adding to 340423140 its reverse (41324043), we get a palindrome (381747183).

The spelling of 340423140 in words is "three hundred forty million, four hundred twenty-three thousand, one hundred forty".