342819123 has 16 divisors (see below), whose sum is σ = 462508800. Its totient is φ = 225847584.

The previous prime is 342819107. The next prime is 342819131. The reversal of 342819123 is 321918243.

It is not a de Polignac number, because 342819123 - 2⁴ = 342819107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (342819923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200928 + ... + 202626.

It is an arithmetic number, because the mean of its divisors is an integer number (28906800).

Almost surely, 2^342819123 is an apocalyptic number.

342819123 is a deficient number, since it is larger than the sum of its proper divisors (119689677).

342819123 is a wasteful number, since it uses less digits than its factorization.

342819123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2458.

The product of its digits is 10368, while the sum is 33.

The square root of 342819123 is about 18515.3753135063. The cubic root of 342819123 is about 699.8769327866.

The spelling of 342819123 in words is "three hundred forty-two million, eight hundred nineteen thousand, one hundred twenty-three".