2340320421 has 8 divisors (see below), whose sum is σ = 3284660320. Its totient is φ = 1478097072.

The previous prime is 2340320413. The next prime is 2340320429. The reversal of 2340320421 is 1240230432.

It is an interprime number because it is at equal distance from previous prime (2340320413) and next prime (2340320429).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2340320421 - 2³ = 2340320413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2340320429) 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, 20529070 + ... + 20529183.

It is an arithmetic number, because the mean of its divisors is an integer number (410582540).

Almost surely, 2^2340320421 is an apocalyptic number.

It is an amenable number.

2340320421 is a deficient number, since it is larger than the sum of its proper divisors (944339899).

2340320421 is a wasteful number, since it uses less digits than its factorization.

2340320421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41058275.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2340320421 is about 48376.8583208955. The cubic root of 2340320421 is about 1327.6749891502.

Adding to 2340320421 its reverse (1240230432), we get a palindrome (3580550853).

The spelling of 2340320421 in words is "two billion, three hundred forty million, three hundred twenty thousand, four hundred twenty-one".