342143423 has 4 divisors (see below), whose sum is σ = 357019248. Its totient is φ = 327267600.

The previous prime is 342143413. The next prime is 342143429. The reversal of 342143423 is 324341243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324341243 = 2503 ⋅129581.

It is a cyclic number.

It is not a de Polignac number, because 342143423 - 2⁴ = 342143407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 342143392 and 342143401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342143429) 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, 7437878 + ... + 7437923.

It is an arithmetic number, because the mean of its divisors is an integer number (89254812).

Almost surely, 2^342143423 is an apocalyptic number.

342143423 is a deficient number, since it is larger than the sum of its proper divisors (14875825).

342143423 is a wasteful number, since it uses less digits than its factorization.

342143423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14875824.

The product of its digits is 6912, while the sum is 26.

The square root of 342143423 is about 18497.1193162611. The cubic root of 342143423 is about 699.4168088185.

Adding to 342143423 its reverse (324341243), we get a palindrome (666484666).

The spelling of 342143423 in words is "three hundred forty-two million, one hundred forty-three thousand, four hundred twenty-three".