2123367 has 4 divisors (see below), whose sum is σ = 2831160. Its totient is φ = 1415576.

The previous prime is 2123357. The next prime is 2123369. The reversal of 2123367 is 7633212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2123367 - 2⁷ = 2123239 is a prime.

It is a D-number.

2123367 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123369) 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, 353892 + ... + 353897.

It is an arithmetic number, because the mean of its divisors is an integer number (707790).

2^2123367 is an apocalyptic number.

2123367 is a deficient number, since it is larger than the sum of its proper divisors (707793).

2123367 is an equidigital number, since it uses as much as digits as its factorization.

2123367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707792.

The product of its digits is 1512, while the sum is 24.

The square root of 2123367 is about 1457.1777516830. The cubic root of 2123367 is about 128.5311385221.

Adding to 2123367 its reverse (7633212), we get a palindrome (9756579).

The spelling of 2123367 in words is "two million, one hundred twenty-three thousand, three hundred sixty-seven".