340024323 has 16 divisors (see below), whose sum is σ = 477825920. Its totient is φ = 214482816.

The previous prime is 340024253. The next prime is 340024343. The reversal of 340024323 is 323420043.

It is a de Polignac number, because none of the positive numbers 2^k-340024323 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 340024323.

It is not an unprimeable number, because it can be changed into a prime (340024343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48411 + ... + 54987.

It is an arithmetic number, because the mean of its divisors is an integer number (29864120).

Almost surely, 2^340024323 is an apocalyptic number.

340024323 is a deficient number, since it is larger than the sum of its proper divisors (137801597).

340024323 is a wasteful number, since it uses less digits than its factorization.

340024323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7506.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 340024323 is about 18439.7484527311. The cubic root of 340024323 is about 697.9698477409.

Adding to 340024323 its reverse (323420043), we get a palindrome (663444366).

The spelling of 340024323 in words is "three hundred forty million, twenty-four thousand, three hundred twenty-three".