2123662255 has 16 divisors (see below), whose sum is σ = 2993919264. Its totient is φ = 1425674880.

The previous prime is 2123662213. The next prime is 2123662271. The reversal of 2123662255 is 5522663212.

It is not a de Polignac number, because 2123662255 - 2²³ = 2115273647 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2123662255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1484364 + ... + 1485793.

It is an arithmetic number, because the mean of its divisors is an integer number (187119954).

Almost surely, 2^2123662255 is an apocalyptic number.

2123662255 is a deficient number, since it is larger than the sum of its proper divisors (870257009).

2123662255 is a wasteful number, since it uses less digits than its factorization.

2123662255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2970186.

The product of its digits is 43200, while the sum is 34.

The square root of 2123662255 is about 46083.2101203898. The cubic root of 2123662255 is about 1285.3709568081.

The spelling of 2123662255 in words is "two billion, one hundred twenty-three million, six hundred sixty-two thousand, two hundred fifty-five".