2123417 has 4 divisors (see below), whose sum is σ = 2126436. Its totient is φ = 2120400.

The previous prime is 2123411. The next prime is 2123423. The reversal of 2123417 is 7143212.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (2123411) and next prime (2123423).

It can be written as a sum of positive squares in 2 ways, for example, as 132496 + 1990921 = 364^2 + 1411^2 .

It is a cyclic number.

It is not a de Polignac number, because 2123417 - 2⁶ = 2123353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2123411) 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, 167 + ... + 2067.

It is an arithmetic number, because the mean of its divisors is an integer number (531609).

2^2123417 is an apocalyptic number.

It is an amenable number.

2123417 is a deficient number, since it is larger than the sum of its proper divisors (3019).

2123417 is a wasteful number, since it uses less digits than its factorization.

2123417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3018.

The product of its digits is 336, while the sum is 20.

The square root of 2123417 is about 1457.1949080339. The cubic root of 2123417 is about 128.5321473769.

Adding to 2123417 its reverse (7143212), we get a palindrome (9266629).

The spelling of 2123417 in words is "two million, one hundred twenty-three thousand, four hundred seventeen".