3203121043123 has 4 divisors (see below), whose sum is σ = 3207432108528. Its totient is φ = 3198809977720.

The previous prime is 3203121043117. The next prime is 3203121043189. The reversal of 3203121043123 is 3213401213023.

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

It is a cyclic number.

It is not a de Polignac number, because 3203121043123 - 2²⁹ = 3202584172211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3203121047123) 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, 2155531588 + ... + 2155533073.

It is an arithmetic number, because the mean of its divisors is an integer number (801858027132).

Almost surely, 2^{3203121043123} is an apocalyptic number.

3203121043123 is a deficient number, since it is larger than the sum of its proper divisors (4311065405).

3203121043123 is an equidigital number, since it uses as much as digits as its factorization.

3203121043123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4311065404.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 3203121043123 its reverse (3213401213023), we get a palindrome (6416522256146).

The spelling of 3203121043123 in words is "three trillion, two hundred three billion, one hundred twenty-one million, forty-three thousand, one hundred twenty-three".