342306123 has 32 divisors (see below), whose sum is σ = 488374272. Its totient is φ = 212906400.

The previous prime is 342306119. The next prime is 342306163. The reversal of 342306123 is 321603243.

It is not a de Polignac number, because 342306123 - 2² = 342306119 is a prime.

It is a super-2 number, since 2×342306123² = 234346963686582258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 342306093 and 342306102.

It is not an unprimeable number, because it can be changed into a prime (342306103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 309790 + ... + 310892.

It is an arithmetic number, because the mean of its divisors is an integer number (15261696).

Almost surely, 2^342306123 is an apocalyptic number.

342306123 is a deficient number, since it is larger than the sum of its proper divisors (146068149).

342306123 is a wasteful number, since it uses less digits than its factorization.

342306123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255.

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 342306123 is about 18501.5167756592. The cubic root of 342306123 is about 699.5276561749.

Adding to 342306123 its reverse (321603243), we get a palindrome (663909366).

The spelling of 342306123 in words is "three hundred forty-two million, three hundred six thousand, one hundred twenty-three".