123343512266066 has 4 divisors (see below), whose sum is σ = 185015268399102. Its totient is φ = 61671756133032.

The previous prime is 123343512266059. The next prime is 123343512266081. The reversal of 123343512266066 is 660662215343321.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 87092215247041 + 36251297019025 = 9332321^2 + 6020905^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30835878066515 + ... + 30835878066518.

Almost surely, 2^{123343512266066} is an apocalyptic number.

123343512266066 is a deficient number, since it is larger than the sum of its proper divisors (61671756133036).

123343512266066 is an equidigital number, since it uses as much as digits as its factorization.

123343512266066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61671756133035.

The product of its (nonzero) digits is 5598720, while the sum is 50.

The spelling of 123343512266066 in words is "one hundred twenty-three trillion, three hundred forty-three billion, five hundred twelve million, two hundred sixty-six thousand, sixty-six".