210423041 has 2 divisors, whose sum is σ = 210423042. Its totient is φ = 210423040.

The previous prime is 210423013. The next prime is 210423047. The reversal of 210423041 is 140324012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 181306225 + 29116816 = 13465^2 + 5396^2 .

It is a cyclic number.

It is not a de Polignac number, because 210423041 - 2¹⁴ = 210406657 is a prime.

It is not a weakly prime, because it can be changed into another prime (210423047) 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, 105211520 + 105211521.

It is an arithmetic number, because the mean of its divisors is an integer number (105211521).

Almost surely, 2^210423041 is an apocalyptic number.

It is an amenable number.

210423041 is a deficient number, since it is larger than the sum of its proper divisors (1).

210423041 is an equidigital number, since it uses as much as digits as its factorization.

210423041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 210423041 is about 14505.9657038061. The cubic root of 210423041 is about 594.7910581474.

Adding to 210423041 its reverse (140324012), we get a palindrome (350747053).

The spelling of 210423041 in words is "two hundred ten million, four hundred twenty-three thousand, forty-one".