405423113 has 2 divisors, whose sum is σ = 405423114. Its totient is φ = 405423112.

The previous prime is 405423091. The next prime is 405423169. The reversal of 405423113 is 311324504.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 220136569 + 185286544 = 14837^2 + 13612^2 .

It is a cyclic number.

It is not a de Polignac number, because 405423113 - 2¹⁰ = 405422089 is a prime.

It is a super-2 number, since 2×405423113² = 328735801109221538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (405423013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202711556 + 202711557.

It is an arithmetic number, because the mean of its divisors is an integer number (202711557).

Almost surely, 2^405423113 is an apocalyptic number.

It is an amenable number.

405423113 is a deficient number, since it is larger than the sum of its proper divisors (1).

405423113 is an equidigital number, since it uses as much as digits as its factorization.

405423113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 405423113 is about 20135.1213803145. The cubic root of 405423113 is about 740.1211835869.

Adding to 405423113 its reverse (311324504), we get a palindrome (716747617).

The spelling of 405423113 in words is "four hundred five million, four hundred twenty-three thousand, one hundred thirteen".