405230212444423 has 4 divisors (see below), whose sum is σ = 406042297039000. Its totient is φ = 404418127849848.

The previous prime is 405230212444363. The next prime is 405230212444483. The reversal of 405230212444423 is 324444212032504.

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

It is an interprime number because it is at equal distance from previous prime (405230212444363) and next prime (405230212444483).

It is a cyclic number.

It is not a de Polignac number, because 405230212444423 - 2²⁹ = 405229675573511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405230212444483) 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, 406042296540 + ... + 406042297537.

It is an arithmetic number, because the mean of its divisors is an integer number (101510574259750).

Almost surely, 2^{405230212444423} is an apocalyptic number.

405230212444423 is a deficient number, since it is larger than the sum of its proper divisors (812084594577).

405230212444423 is an equidigital number, since it uses as much as digits as its factorization.

405230212444423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812084594576.

The product of its (nonzero) digits is 737280, while the sum is 40.

Adding to 405230212444423 its reverse (324444212032504), we get a palindrome (729674424476927).

The spelling of 405230212444423 in words is "four hundred five trillion, two hundred thirty billion, two hundred twelve million, four hundred forty-four thousand, four hundred twenty-three".