2340923 has 4 divisors (see below), whose sum is σ = 2521008. Its totient is φ = 2160840.

The previous prime is 2340911. The next prime is 2340931. The reversal of 2340923 is 3290432.

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 2340923 - 2⁶ = 2340859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2340973) 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, 90023 + ... + 90048.

It is an arithmetic number, because the mean of its divisors is an integer number (630252).

2^2340923 is an apocalyptic number.

2340923 is a deficient number, since it is larger than the sum of its proper divisors (180085).

2340923 is a wasteful number, since it uses less digits than its factorization.

2340923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180084.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 2340923 is about 1530.0075163214. The cubic root of 2340923 is about 132.7788928023.

Subtracting from 2340923 its sum of digits (23), we obtain a square (2340900 = 1530²).

It can be divided in two parts, 23409 and 23, that added together give a palindrome (23432).

The spelling of 2340923 in words is "two million, three hundred forty thousand, nine hundred twenty-three".