33103213123 has 4 divisors (see below), whose sum is σ = 33103783728. Its totient is φ = 33102642520.

The previous prime is 33103213097. The next prime is 33103213133. The reversal of 33103213123 is 32131230133.

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 33103213123 - 2¹³ = 33103204931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33103213094 and 33103213103.

It is not an unprimeable number, because it can be changed into a prime (33103213133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186988 + ... + 318073.

It is an arithmetic number, because the mean of its divisors is an integer number (8275945932).

Almost surely, 2^33103213123 is an apocalyptic number.

33103213123 is a deficient number, since it is larger than the sum of its proper divisors (570605).

33103213123 is an equidigital number, since it uses as much as digits as its factorization.

33103213123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570604.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 33103213123 its reverse (32131230133), we get a palindrome (65234443256).

The spelling of 33103213123 in words is "thirty-three billion, one hundred three million, two hundred thirteen thousand, one hundred twenty-three".