342503423 has 4 divisors (see below), whose sum is σ = 345894648. Its totient is φ = 339112200.

The previous prime is 342503393. The next prime is 342503449. The reversal of 342503423 is 324305243.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 342503423 - 2⁸ = 342503167 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 342503392 and 342503401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342503723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1695461 + ... + 1695662.

It is an arithmetic number, because the mean of its divisors is an integer number (86473662).

Almost surely, 2^342503423 is an apocalyptic number.

342503423 is a deficient number, since it is larger than the sum of its proper divisors (3391225).

342503423 is a wasteful number, since it uses less digits than its factorization.

342503423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3391224.

The product of its (nonzero) digits is 8640, while the sum is 26.

The square root of 342503423 is about 18506.8480028340. The cubic root of 342503423 is about 699.6620293659.

Adding to 342503423 its reverse (324305243), we get a palindrome (666808666).

It can be divided in two parts, 34250 and 3423, that added together give a palindrome (37673).

The spelling of 342503423 in words is "three hundred forty-two million, five hundred three thousand, four hundred twenty-three".