340123210323 has 16 divisors (see below), whose sum is σ = 488415814656. Its totient is φ = 209292118560.

The previous prime is 340123210279. The next prime is 340123210333. The reversal of 340123210323 is 323012321043.

It is not a de Polignac number, because 340123210323 - 2³⁴ = 322943341139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 340123210293 and 340123210302.

It is not an unprimeable number, because it can be changed into a prime (340123210333) 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 15 ways as a sum of consecutive naturals, for example, 284158 + ... + 872348.

It is an arithmetic number, because the mean of its divisors is an integer number (30525988416).

Almost surely, 2^340123210323 is an apocalyptic number.

340123210323 is a deficient number, since it is larger than the sum of its proper divisors (148292604333).

340123210323 is a wasteful number, since it uses less digits than its factorization.

340123210323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603034.

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

Adding to 340123210323 its reverse (323012321043), we get a palindrome (663135531366).

The spelling of 340123210323 in words is "three hundred forty billion, one hundred twenty-three million, two hundred ten thousand, three hundred twenty-three".