2123323101 has 24 divisors (see below), whose sum is σ = 3169479456. Its totient is φ = 1368914400.

The previous prime is 2123323079. The next prime is 2123323109. The reversal of 2123323101 is 1013233212.

2123323101 is a `hidden beast` number, since 21 + 2 + 332 + 310 + 1 = 666.

It is not a de Polignac number, because 2123323101 - 2¹⁰ = 2123322077 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123323109) 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, 11926 + ... + 66248.

It is an arithmetic number, because the mean of its divisors is an integer number (132061644).

Almost surely, 2^2123323101 is an apocalyptic number.

It is an amenable number.

2123323101 is a deficient number, since it is larger than the sum of its proper divisors (1046156355).

2123323101 is a wasteful number, since it uses less digits than its factorization.

2123323101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54473 (or 54470 counting only the distinct ones).

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

The square root of 2123323101 is about 46079.5301733861. The cubic root of 2123323101 is about 1285.3025275480.

Adding to 2123323101 its reverse (1013233212), we get a palindrome (3136556313).

The spelling of 2123323101 in words is "two billion, one hundred twenty-three million, three hundred twenty-three thousand, one hundred one".