406522323 has 12 divisors (see below), whose sum is σ = 589722120. Its totient is φ = 269850336.

The previous prime is 406522321. The next prime is 406522373. The reversal of 406522323 is 323225604.

406522323 is a `hidden beast` number, since 4 + 0 + 652 + 2 + 3 + 2 + 3 = 666.

It is not a de Polignac number, because 406522323 - 2¹ = 406522321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (406522321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94833 + ... + 99026.

It is an arithmetic number, because the mean of its divisors is an integer number (49143510).

Almost surely, 2^406522323 is an apocalyptic number.

406522323 is a deficient number, since it is larger than the sum of its proper divisors (183199797).

406522323 is a wasteful number, since it uses less digits than its factorization.

406522323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194098 (or 194095 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 406522323 is about 20162.3987412212. The cubic root of 406522323 is about 740.7894685108.

Adding to 406522323 its reverse (323225604), we get a palindrome (729747927).

It can be divided in two parts, 406 and 522323, that added together give a square (522729 = 723²).

The spelling of 406522323 in words is "four hundred six million, five hundred twenty-two thousand, three hundred twenty-three".