2343421057 has 2 divisors, whose sum is σ = 2343421058. Its totient is φ = 2343421056.

The previous prime is 2343421039. The next prime is 2343421061. The reversal of 2343421057 is 7501243432.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2312551921 + 30869136 = 48089^2 + 5556^2 .

It is a cyclic number.

It is not a de Polignac number, because 2343421057 - 2⁷ = 2343420929 is a prime.

It is not a weakly prime, because it can be changed into another prime (2343421097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1171710528 + 1171710529.

It is an arithmetic number, because the mean of its divisors is an integer number (1171710529).

Almost surely, 2^2343421057 is an apocalyptic number.

It is an amenable number.

2343421057 is a deficient number, since it is larger than the sum of its proper divisors (1).

2343421057 is an equidigital number, since it uses as much as digits as its factorization.

2343421057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 2343421057 is about 48408.8943996865. The cubic root of 2343421057 is about 1328.2610656201.

Adding to 2343421057 its reverse (7501243432), we get a palindrome (9844664489).

The spelling of 2343421057 in words is "two billion, three hundred forty-three million, four hundred twenty-one thousand, fifty-seven".