2123358 has 16 divisors (see below), whose sum is σ = 4268160. Its totient is φ = 704216.

The previous prime is 2123357. The next prime is 2123369. The reversal of 2123358 is 8533212.

It is a d-powerful number, because it can be written as 2⁴ + 1 + 2¹⁹ + 3² + 3¹³ + 5⁴ + 8⁴ .

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 583 + ... + 2141.

It is an arithmetic number, because the mean of its divisors is an integer number (266760).

2^2123358 is an apocalyptic number.

2123358 is an abundant number, since it is smaller than the sum of its proper divisors (2144802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2123358 is a wasteful number, since it uses less digits than its factorization.

2123358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1791.

The product of its digits is 1440, while the sum is 24.

The square root of 2123358 is about 1457.1746635184. The cubic root of 2123358 is about 128.5309569266.

It can be divided in two parts, 212 and 3358, that added together give a triangular number (3570 = T₈₄).

The spelling of 2123358 in words is "two million, one hundred twenty-three thousand, three hundred fifty-eight".