3203021113123 has 4 divisors (see below), whose sum is σ = 3449407352608. Its totient is φ = 2956634873640.

The previous prime is 3203021113109. The next prime is 3203021113147. The reversal of 3203021113123 is 3213111203023.

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 3203021113123 - 2⁹ = 3203021112611 is a prime.

It is a super-2 number, since 2×3203021113123² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3203021113094 and 3203021113103.

It is not an unprimeable number, because it can be changed into a prime (3203021110123) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 123193119723 + ... + 123193119748.

It is an arithmetic number, because the mean of its divisors is an integer number (862351838152).

Almost surely, 2^{3203021113123} is an apocalyptic number.

3203021113123 is a deficient number, since it is larger than the sum of its proper divisors (246386239485).

3203021113123 is a wasteful number, since it uses less digits than its factorization.

3203021113123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246386239484.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 3203021113123 its reverse (3213111203023), we get a palindrome (6416132316146).

The spelling of 3203021113123 in words is "three trillion, two hundred three billion, twenty-one million, one hundred thirteen thousand, one hundred twenty-three".