420023041 has 4 divisors (see below), whose sum is σ = 420100612. Its totient is φ = 419945472.

The previous prime is 420023017. The next prime is 420023057. The reversal of 420023041 is 140320024.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 272910400 + 147112641 = 16520^2 + 12129^2 .

It is a cyclic number.

It is not a de Polignac number, because 420023041 - 2¹³ = 420014849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420023341) 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, 30000 + ... + 41713.

It is an arithmetic number, because the mean of its divisors is an integer number (105025153).

Almost surely, 2^420023041 is an apocalyptic number.

It is an amenable number.

420023041 is a deficient number, since it is larger than the sum of its proper divisors (77571).

420023041 is an equidigital number, since it uses as much as digits as its factorization.

420023041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77570.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 420023041 is about 20494.4636670492. The cubic root of 420023041 is about 748.9009330039.

Adding to 420023041 its reverse (140320024), we get a palindrome (560343065).

The spelling of 420023041 in words is "four hundred twenty million, twenty-three thousand, forty-one".