2340403121 has 12 divisors (see below), whose sum is σ = 2723498532. Its totient is φ = 2005331328.

The previous prime is 2340403067. The next prime is 2340403127. The reversal of 2340403121 is 1213040432.

It can be written as a sum of positive squares in 2 ways, for example, as 1140750625 + 1199652496 = 33775^2 + 34636^2 .

It is not a de Polignac number, because 2340403121 - 2⁶ = 2340403057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2340403093 and 2340403102.

It is not an unprimeable number, because it can be changed into a prime (2340403127) 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, 161261 + ... + 175173.

It is an arithmetic number, because the mean of its divisors is an integer number (226958211).

Almost surely, 2^2340403121 is an apocalyptic number.

It is an amenable number.

2340403121 is a deficient number, since it is larger than the sum of its proper divisors (383095411).

2340403121 is a wasteful number, since it uses less digits than its factorization.

2340403121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17360 (or 17353 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2340403121 is about 48377.7130608713. The cubic root of 2340403121 is about 1327.6906276681.

Adding to 2340403121 its reverse (1213040432), we get a palindrome (3553443553).

The spelling of 2340403121 in words is "two billion, three hundred forty million, four hundred three thousand, one hundred twenty-one".