405230043 has 16 divisors (see below), whose sum is σ = 569306880. Its totient is φ = 255681504.

The previous prime is 405230041. The next prime is 405230057. The reversal of 405230043 is 340032504.

It is a happy number.

It is not a de Polignac number, because 405230043 - 2¹ = 405230041 is a prime.

It is a super-2 number, since 2×405230043² = 328422775499563698, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (405230041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66805 + ... + 72617.

It is an arithmetic number, because the mean of its divisors is an integer number (35581680).

Almost surely, 2^405230043 is an apocalyptic number.

405230043 is a deficient number, since it is larger than the sum of its proper divisors (164076837).

405230043 is a wasteful number, since it uses less digits than its factorization.

405230043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7058.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 405230043 is about 20130.3264504081. The cubic root of 405230043 is about 740.0036784575.

Adding to 405230043 its reverse (340032504), we get a palindrome (745262547).

The spelling of 405230043 in words is "four hundred five million, two hundred thirty thousand, forty-three".