342133123 has 4 divisors (see below), whose sum is σ = 342345808. Its totient is φ = 341920440.

The previous prime is 342133111. The next prime is 342133139. The reversal of 342133123 is 321331243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321331243 = 10771 ⋅29833.

It is a cyclic number.

It is not a de Polignac number, because 342133123 - 2⁵ = 342133091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 342133094 and 342133103.

It is not an unprimeable number, because it can be changed into a prime (342133523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103911 + ... + 107152.

It is an arithmetic number, because the mean of its divisors is an integer number (85586452).

Almost surely, 2^342133123 is an apocalyptic number.

342133123 is a deficient number, since it is larger than the sum of its proper divisors (212685).

342133123 is a wasteful number, since it uses less digits than its factorization.

342133123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212684.

The product of its digits is 1296, while the sum is 22.

The square root of 342133123 is about 18496.8408924335. The cubic root of 342133123 is about 699.4097902556.

Adding to 342133123 its reverse (321331243), we get a palindrome (663464366).

The spelling of 342133123 in words is "three hundred forty-two million, one hundred thirty-three thousand, one hundred twenty-three".