405040132323 has 24 divisors (see below), whose sum is σ = 599663750400. Its totient is φ = 263306599920.

The previous prime is 405040132313. The next prime is 405040132327. The reversal of 405040132323 is 323231040504.

405040132323 is a `hidden beast` number, since 4 + 0 + 504 + 0 + 132 + 3 + 23 = 666.

It is not a de Polignac number, because 405040132323 - 2¹⁴ = 405040115939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (405040132327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 641823 + ... + 1105448.

It is an arithmetic number, because the mean of its divisors is an integer number (24985989600).

Almost surely, 2^405040132323 is an apocalyptic number.

405040132323 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

405040132323 is a deficient number, since it is larger than the sum of its proper divisors (194623618077).

405040132323 is a wasteful number, since it uses less digits than its factorization.

405040132323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1747919 (or 1747916 counting only the distinct ones).

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

Adding to 405040132323 its reverse (323231040504), we get a palindrome (728271172827).

The spelling of 405040132323 in words is "four hundred five billion, forty million, one hundred thirty-two thousand, three hundred twenty-three".