2123223201 has 24 divisors (see below), whose sum is σ = 3453615360. Its totient is φ = 1245290400.

The previous prime is 2123223199. The next prime is 2123223257. The reversal of 2123223201 is 1023223212.

2123223201 is a `hidden beast` number, since 21 + 2 + 322 + 320 + 1 = 666.

2123223201 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2123223201 - 2¹ = 2123223199 is a prime.

It is a super-2 number, since 2×2123223201² = 9016153522529372802, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2123223601) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 342846 + ... + 348983.

It is an arithmetic number, because the mean of its divisors is an integer number (143900640).

Almost surely, 2^2123223201 is an apocalyptic number.

It is an amenable number.

2123223201 is a deficient number, since it is larger than the sum of its proper divisors (1330392159).

2123223201 is a wasteful number, since it uses less digits than its factorization.

2123223201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691877 (or 691874 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2123223201 is about 46078.4461652083. The cubic root of 2123223201 is about 1285.2823698785.

Adding to 2123223201 its reverse (1023223212), we get a palindrome (3146446413).

The spelling of 2123223201 in words is "two billion, one hundred twenty-three million, two hundred twenty-three thousand, two hundred one".