42343601 has 2 divisors, whose sum is σ = 42343602. Its totient is φ = 42343600.

The previous prime is 42343573. The next prime is 42343627. The reversal of 42343601 is 10634324.

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., 29376400 + 12967201 = 5420^2 + 3601^2 .

It is a cyclic number.

It is not a de Polignac number, because 42343601 - 2¹⁰ = 42342577 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42343501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21171800 + 21171801.

It is an arithmetic number, because the mean of its divisors is an integer number (21171801).

Almost surely, 2^42343601 is an apocalyptic number.

It is an amenable number.

42343601 is a deficient number, since it is larger than the sum of its proper divisors (1).

42343601 is an equidigital number, since it uses as much as digits as its factorization.

42343601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 42343601 is about 6507.1960935567. The cubic root of 42343601 is about 348.5480009385.

Adding to 42343601 its reverse (10634324), we get a palindrome (52977925).

The spelling of 42343601 in words is "forty-two million, three hundred forty-three thousand, six hundred one".