2123313201 has 6 divisors (see below), whose sum is σ = 3067007970. Its totient is φ = 1415542128.

The previous prime is 2123313187. The next prime is 2123313223. The reversal of 2123313201 is 1023133212.

2123313201 is a `hidden beast` number, since 2 + 12 + 331 + 320 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1171282176 + 952031025 = 34224^2 + 30855^2 .

It is not a de Polignac number, because 2123313201 - 2⁵ = 2123313169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2123313301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 117961836 + ... + 117961853.

It is an arithmetic number, because the mean of its divisors is an integer number (511167995).

Almost surely, 2^2123313201 is an apocalyptic number.

It is an amenable number.

2123313201 is a deficient number, since it is larger than the sum of its proper divisors (943694769).

2123313201 is a wasteful number, since it uses less digits than its factorization.

2123313201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235923695 (or 235923692 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2123313201 is about 46079.4227502906. The cubic root of 2123313201 is about 1285.3005299694.

Adding to 2123313201 its reverse (1023133212), we get a palindrome (3146446413).

The spelling of 2123313201 in words is "two billion, one hundred twenty-three million, three hundred thirteen thousand, two hundred one".