2342423257 has 2 divisors, whose sum is σ = 2342423258. Its totient is φ = 2342423256.

The previous prime is 2342423249. The next prime is 2342423263. The reversal of 2342423257 is 7523242432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2129730201 + 212693056 = 46149^2 + 14584^2 .

It is a cyclic number.

It is not a de Polignac number, because 2342423257 - 2³ = 2342423249 is a prime.

It is not a weakly prime, because it can be changed into another prime (2342423297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1171211628 + 1171211629.

It is an arithmetic number, because the mean of its divisors is an integer number (1171211629).

Almost surely, 2^2342423257 is an apocalyptic number.

It is an amenable number.

2342423257 is a deficient number, since it is larger than the sum of its proper divisors (1).

2342423257 is an equidigital number, since it uses as much as digits as its factorization.

2342423257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 34.

The square root of 2342423257 is about 48398.5873450868. The cubic root of 2342423257 is about 1328.0725197566.

Adding to 2342423257 its reverse (7523242432), we get a palindrome (9865665689).

The spelling of 2342423257 in words is "two billion, three hundred forty-two million, four hundred twenty-three thousand, two hundred fifty-seven".