2122923 has 16 divisors (see below), whose sum is σ = 3223296. Its totient is φ = 1230240.

The previous prime is 2122921. The next prime is 2122937. The reversal of 2122923 is 3292212.

It is not a de Polignac number, because 2122923 - 2¹ = 2122921 is a prime.

2122923 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2122923.

It is not an unprimeable number, because it can be changed into a prime (2122921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 640 + ... + 2157.

It is an arithmetic number, because the mean of its divisors is an integer number (201456).

2^2122923 is an apocalyptic number.

2122923 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2122923 is a deficient number, since it is larger than the sum of its proper divisors (1100373).

2122923 is a wasteful number, since it uses less digits than its factorization.

2122923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2834.

The product of its digits is 432, while the sum is 21.

The square root of 2122923 is about 1457.0253944252. The cubic root of 2122923 is about 128.5221791974.

The spelling of 2122923 in words is "two million, one hundred twenty-two thousand, nine hundred twenty-three".