342400423 has 8 divisors (see below), whose sum is σ = 348584400. Its totient is φ = 336229248.

The previous prime is 342400393. The next prime is 342400427. The reversal of 342400423 is 324004243.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 342400423 - 2⁵ = 342400391 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 342400394 and 342400403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342400427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62815 + ... + 68047.

It is an arithmetic number, because the mean of its divisors is an integer number (43573050).

Almost surely, 2^342400423 is an apocalyptic number.

342400423 is a deficient number, since it is larger than the sum of its proper divisors (6183977).

342400423 is a wasteful number, since it uses less digits than its factorization.

342400423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6401.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 342400423 is about 18504.0650398770. The cubic root of 342400423 is about 699.5918865981.

Adding to 342400423 its reverse (324004243), we get a palindrome (666404666).

The spelling of 342400423 in words is "three hundred forty-two million, four hundred thousand, four hundred twenty-three".