2123379 has 12 divisors (see below), whose sum is σ = 3092232. Its totient is φ = 1404000.

The previous prime is 2123377. The next prime is 2123411. The reversal of 2123379 is 9733212.

It is not a de Polignac number, because 2123379 - 2¹ = 2123377 is a prime.

It is a d-powerful number, because it can be written as 2¹¹ + 1 + 2²¹ + 3⁶ + 3⁸ + 7⁵ + 9² .

It is not an unprimeable number, because it can be changed into a prime (2123377) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 279 + ... + 2079.

It is an arithmetic number, because the mean of its divisors is an integer number (257686).

2^2123379 is an apocalyptic number.

2123379 is a deficient number, since it is larger than the sum of its proper divisors (968853).

2123379 is a wasteful number, since it uses less digits than its factorization.

2123379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1938 (or 1935 counting only the distinct ones).

The product of its digits is 2268, while the sum is 27.

The square root of 2123379 is about 1457.1818692257. The cubic root of 2123379 is about 128.5313806487.

It can be divided in two parts, 21233 and 79, that added together give a palindrome (21312).

The spelling of 2123379 in words is "two million, one hundred twenty-three thousand, three hundred seventy-nine".