2402343421 has 4 divisors (see below), whose sum is σ = 2402606752. Its totient is φ = 2402080092.

The previous prime is 2402343373. The next prime is 2402343431. The reversal of 2402343421 is 1243432042.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1243432042 = 2 ⋅621716021.

It is a cyclic number.

It is not a de Polignac number, because 2402343421 - 2⁹ = 2402342909 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 (2402343431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117471 + ... + 136396.

It is an arithmetic number, because the mean of its divisors is an integer number (600651688).

Almost surely, 2^2402343421 is an apocalyptic number.

It is an amenable number.

2402343421 is a deficient number, since it is larger than the sum of its proper divisors (263331).

2402343421 is an equidigital number, since it uses as much as digits as its factorization.

2402343421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263330.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 2402343421 is about 49013.7064605402. The cubic root of 2402343421 is about 1339.3015259745.

Adding to 2402343421 its reverse (1243432042), we get a palindrome (3645775463).

The spelling of 2402343421 in words is "two billion, four hundred two million, three hundred forty-three thousand, four hundred twenty-one".