3213123203 has 4 divisors (see below), whose sum is σ = 3214133328. Its totient is φ = 3212113080.

The previous prime is 3213123139. The next prime is 3213123209. The reversal of 3213123203 is 3023213123.

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 3213123203 - 2⁶ = 3213123139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3213123209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500276 + ... + 506657.

It is an arithmetic number, because the mean of its divisors is an integer number (803533332).

Almost surely, 2^3213123203 is an apocalyptic number.

3213123203 is a deficient number, since it is larger than the sum of its proper divisors (1010125).

3213123203 is a wasteful number, since it uses less digits than its factorization.

3213123203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010124.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 3213123203 is about 56684.4176383598. The cubic root of 3213123203 is about 1475.6242808720.

Adding to 3213123203 its reverse (3023213123), we get a palindrome (6236336326).

The spelling of 3213123203 in words is "three billion, two hundred thirteen million, one hundred twenty-three thousand, two hundred three".