2340123 has 4 divisors (see below), whose sum is σ = 3120168. Its totient is φ = 1560080.

The previous prime is 2340119. The next prime is 2340133. The reversal of 2340123 is 3210432.

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 2340123 - 2² = 2340119 is a prime.

It is an Ulam number.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (2340133) 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, 390018 + ... + 390023.

It is an arithmetic number, because the mean of its divisors is an integer number (780042).

2^2340123 is an apocalyptic number.

2340123 is a deficient number, since it is larger than the sum of its proper divisors (780045).

2340123 is an equidigital number, since it uses as much as digits as its factorization.

2340123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780044.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2340123 is about 1529.7460573572. The cubic root of 2340123 is about 132.7637655474.

Adding to 2340123 its reverse (3210432), we get a palindrome (5550555).

The spelling of 2340123 in words is "two million, three hundred forty thousand, one hundred twenty-three".