2123164 has 12 divisors (see below), whose sum is σ = 3934224. Its totient is φ = 999104.

The previous prime is 2123161. The next prime is 2123167. The reversal of 2123164 is 4613212.

It is an interprime number because it is at equal distance from previous prime (2123161) and next prime (2123167).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15544 + ... + 15679.

It is an arithmetic number, because the mean of its divisors is an integer number (327852).

2^2123164 is an apocalyptic number.

It is an amenable number.

2123164 is a deficient number, since it is larger than the sum of its proper divisors (1811060).

2123164 is a wasteful number, since it uses less digits than its factorization.

2123164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31244 (or 31242 counting only the distinct ones).

The product of its digits is 288, while the sum is 19.

The square root of 2123164 is about 1457.1080948234. The cubic root of 2123164 is about 128.5270424093.

Adding to 2123164 its reverse (4613212), we get a palindrome (6736376).

The spelling of 2123164 in words is "two million, one hundred twenty-three thousand, one hundred sixty-four".