420023341 has 2 divisors, whose sum is σ = 420023342. Its totient is φ = 420023340.

The previous prime is 420023333. The next prime is 420023449. The reversal of 420023341 is 143320024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 339849225 + 80174116 = 18435^2 + 8954^2 .

It is a cyclic number.

It is not a de Polignac number, because 420023341 - 2³ = 420023333 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420023941) 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, 210011670 + 210011671.

It is an arithmetic number, because the mean of its divisors is an integer number (210011671).

Almost surely, 2^420023341 is an apocalyptic number.

It is an amenable number.

420023341 is a deficient number, since it is larger than the sum of its proper divisors (1).

420023341 is an equidigital number, since it uses as much as digits as its factorization.

420023341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 420023341 is about 20494.4709860977. The cubic root of 420023341 is about 748.9011113038.

Adding to 420023341 its reverse (143320024), we get a palindrome (563343365).

The spelling of 420023341 in words is "four hundred twenty million, twenty-three thousand, three hundred forty-one".