2343425421 has 4 divisors (see below), whose sum is σ = 3124567232. Its totient is φ = 1562283612.

The previous prime is 2343425411. The next prime is 2343425423. The reversal of 2343425421 is 1245243432.

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.

It is not a de Polignac number, because 2343425421 - 2⁵ = 2343425389 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 (2343425423) 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, 390570901 + ... + 390570906.

It is an arithmetic number, because the mean of its divisors is an integer number (781141808).

Almost surely, 2^2343425421 is an apocalyptic number.

It is an amenable number.

2343425421 is a deficient number, since it is larger than the sum of its proper divisors (781141811).

2343425421 is an equidigital number, since it uses as much as digits as its factorization.

2343425421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781141810.

The product of its digits is 23040, while the sum is 30.

The square root of 2343425421 is about 48408.9394740269. The cubic root of 2343425421 is about 1328.2618901309.

Adding to 2343425421 its reverse (1245243432), we get a palindrome (3588668853).

The spelling of 2343425421 in words is "two billion, three hundred forty-three million, four hundred twenty-five thousand, four hundred twenty-one".