343430123 has 4 divisors (see below), whose sum is σ = 343471920. Its totient is φ = 343388328.

The previous prime is 343430099. The next prime is 343430137. The reversal of 343430123 is 321034343.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 321034343 = 7 ⋅45862049.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343430123 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343430023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4040 + ... + 26517.

It is an arithmetic number, because the mean of its divisors is an integer number (85867980).

Almost surely, 2^343430123 is an apocalyptic number.

343430123 is a deficient number, since it is larger than the sum of its proper divisors (41797).

343430123 is a wasteful number, since it uses less digits than its factorization.

343430123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41796.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 343430123 is about 18531.8677687922. The cubic root of 343430123 is about 700.2924784580.

Adding to 343430123 its reverse (321034343), we get a palindrome (664464466).

The spelling of 343430123 in words is "three hundred forty-three million, four hundred thirty thousand, one hundred twenty-three".