3245664123123 has 4 divisors (see below), whose sum is σ = 4327552164168. Its totient is φ = 2163776082080.

The previous prime is 3245664123113. The next prime is 3245664123133. The reversal of 3245664123123 is 3213214665423.

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

It is an interprime number because it is at equal distance from previous prime (3245664123113) and next prime (3245664123133).

It is a cyclic number.

It is not a de Polignac number, because 3245664123123 - 2²⁰ = 3245663074547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3245664123113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 540944020518 + ... + 540944020523.

It is an arithmetic number, because the mean of its divisors is an integer number (1081888041042).

Almost surely, 2^{3245664123123} is an apocalyptic number.

3245664123123 is a deficient number, since it is larger than the sum of its proper divisors (1081888041045).

3245664123123 is a wasteful number, since it uses less digits than its factorization.

3245664123123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081888041044.

The product of its digits is 622080, while the sum is 42.

Adding to 3245664123123 its reverse (3213214665423), we get a palindrome (6458878788546).

The spelling of 3245664123123 in words is "three trillion, two hundred forty-five billion, six hundred sixty-four million, one hundred twenty-three thousand, one hundred twenty-three".