2123073 has 12 divisors (see below), whose sum is σ = 3079440. Its totient is φ = 1409496.

The previous prime is 2123063. The next prime is 2123081. The reversal of 2123073 is 3703212.

It is not a de Polignac number, because 2123073 - 2⁸ = 2122817 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2123053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3490 + ... + 4052.

It is an arithmetic number, because the mean of its divisors is an integer number (256620).

2^2123073 is an apocalyptic number.

It is an amenable number.

2123073 is a deficient number, since it is larger than the sum of its proper divisors (956367).

2123073 is a wasteful number, since it uses less digits than its factorization.

2123073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988 (or 985 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 2123073 is about 1457.0768682537. The cubic root of 2123073 is about 128.5252061360.

Adding to 2123073 its reverse (3703212), we get a palindrome (5826285).

The spelling of 2123073 in words is "two million, one hundred twenty-three thousand, seventy-three".