23212213306 has 4 divisors (see below), whose sum is σ = 34818319962. Its totient is φ = 11606106652.

The previous prime is 23212213279. The next prime is 23212213337. The reversal of 23212213306 is 60331221232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 23212046025 + 167281 = 152355^2 + 409^2 .

It is an unprimeable number.

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, 5803053325 + ... + 5803053328.

Almost surely, 2^23212213306 is an apocalyptic number.

23212213306 is a deficient number, since it is larger than the sum of its proper divisors (11606106656).

23212213306 is a wasteful number, since it uses less digits than its factorization.

23212213306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11606106655.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 23212213306 its reverse (60331221232), we get a palindrome (83543434538).

The spelling of 23212213306 in words is "twenty-three billion, two hundred twelve million, two hundred thirteen thousand, three hundred six".