2123356606 has 16 divisors (see below), whose sum is σ = 3641096160. Its totient is φ = 909745920.

The previous prime is 2123356603. The next prime is 2123356637. The reversal of 2123356606 is 6066533212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123356603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32646 + ... + 72886.

It is an arithmetic number, because the mean of its divisors is an integer number (227568510).

Almost surely, 2^2123356606 is an apocalyptic number.

2123356606 is a deficient number, since it is larger than the sum of its proper divisors (1517739554).

2123356606 is a wasteful number, since it uses less digits than its factorization.

2123356606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44019.

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 2123356606 is about 46079.8937281761. The cubic root of 2123356606 is about 1285.3092879942.

Adding to 2123356606 its reverse (6066533212), we get a palindrome (8189889818).

The spelling of 2123356606 in words is "two billion, one hundred twenty-three million, three hundred fifty-six thousand, six hundred six".