2123283208201 has 3 divisors (see below), whose sum is σ = 2123284665351. Its totient is φ = 2123281751052.

The previous prime is 2123283208187. The next prime is 2123283208247. The reversal of 2123283208201 is 1028023823212.

The square root of 2123283208201 is 1457149.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 1787833735801 + 335449472400 = 1337099^2 + 579180^2 .

It is not a de Polignac number, because 2123283208201 - 2⁵ = 2123283208169 is a prime.

It is a super-2 number, since 2×2123283208201² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2123283208261) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 728575 + ... + 2185723.

It is an arithmetic number, because the mean of its divisors is an integer number (707761555117).

Almost surely, 2^{2123283208201} is an apocalyptic number.

2123283208201 is the 1457149-th square number.

2123283208201 is the 728575-th centered octagonal number.

It is an amenable number.

2123283208201 is a deficient number, since it is larger than the sum of its proper divisors (1457150).

2123283208201 is an frugal number, since it uses more digits than its factorization.

2123283208201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2914298 (or 1457149 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The spelling of 2123283208201 in words is "two trillion, one hundred twenty-three billion, two hundred eighty-three million, two hundred eight thousand, two hundred one".