343423001302123 has 2 divisors, whose sum is σ = 343423001302124. Its totient is φ = 343423001302122.

The previous prime is 343423001302093. The next prime is 343423001302159. The reversal of 343423001302123 is 321203100324343.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343423001302123 is a prime.

It is not a weakly prime, because it can be changed into another prime (343423001302723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171711500651061 + 171711500651062.

It is an arithmetic number, because the mean of its divisors is an integer number (171711500651062).

Almost surely, 2^{343423001302123} is an apocalyptic number.

343423001302123 is a deficient number, since it is larger than the sum of its proper divisors (1).

343423001302123 is an equidigital number, since it uses as much as digits as its factorization.

343423001302123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 343423001302123 its reverse (321203100324343), we get a palindrome (664626101626466).

The spelling of 343423001302123 in words is "three hundred forty-three trillion, four hundred twenty-three billion, one million, three hundred two thousand, one hundred twenty-three".