3213113623 has 2 divisors, whose sum is σ = 3213113624. Its totient is φ = 3213113622.

The previous prime is 3213113621. The next prime is 3213113669. The reversal of 3213113623 is 3263113123.

It is a weak prime.

It is an emirp because it is prime and its reverse (3263113123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3213113623 - 2¹ = 3213113621 is a prime.

It is a super-2 number, since 2×3213113623² = 20648198308616372258, which contains 22 as substring.

Together with 3213113621, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3213113621) 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 as a sum of consecutive naturals, namely, 1606556811 + 1606556812.

It is an arithmetic number, because the mean of its divisors is an integer number (1606556812).

Almost surely, 2^3213113623 is an apocalyptic number.

3213113623 is a deficient number, since it is larger than the sum of its proper divisors (1).

3213113623 is an equidigital number, since it uses as much as digits as its factorization.

3213113623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944, while the sum is 25.

The square root of 3213113623 is about 56684.3331353558. Note that the first 3 decimals coincide. The cubic root of 3213113623 is about 1475.6228143347.

Adding to 3213113623 its reverse (3263113123), we get a palindrome (6476226746).

It can be divided in two parts, 32131 and 13623, that added together give a palindrome (45754).

The spelling of 3213113623 in words is "three billion, two hundred thirteen million, one hundred thirteen thousand, six hundred twenty-three".