212323103303 has 4 divisors (see below), whose sum is σ = 212783674488. Its totient is φ = 211862532120.

The previous prime is 212323103261. The next prime is 212323103347. The reversal of 212323103303 is 303301323212.

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 212323103303 - 2¹⁴ = 212323086919 is a prime.

It is a super-2 number, since 2×212323103303² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212323103803) 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, 230284901 + ... + 230285822.

It is an arithmetic number, because the mean of its divisors is an integer number (53195918622).

Almost surely, 2^212323103303 is an apocalyptic number.

212323103303 is a deficient number, since it is larger than the sum of its proper divisors (460571185).

212323103303 is an equidigital number, since it uses as much as digits as its factorization.

212323103303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460571184.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 212323103303 its reverse (303301323212), we get a palindrome (515624426515).

The spelling of 212323103303 in words is "two hundred twelve billion, three hundred twenty-three million, one hundred three thousand, three hundred three".