405242530210323 has 12 divisors (see below), whose sum is σ = 630377269216240. Its totient is φ = 249380018590896.

The previous prime is 405242530210313. The next prime is 405242530210403. The reversal of 405242530210323 is 323012035242504.

405242530210323 is a `hidden beast` number, since 4 + 0 + 5 + 2 + 4 + 25 + 302 + 1 + 0 + 323 = 666.

It is not a de Polignac number, because 405242530210323 - 2¹⁴ = 405242530193939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (405242530210303) 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, 1731805684543 + ... + 1731805684776.

Almost surely, 2^{405242530210323} is an apocalyptic number.

405242530210323 is a deficient number, since it is larger than the sum of its proper divisors (225134739005917).

405242530210323 is a wasteful number, since it uses less digits than its factorization.

405242530210323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3463611369338 (or 3463611369335 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

Adding to 405242530210323 its reverse (323012035242504), we get a palindrome (728254565452827).

The spelling of 405242530210323 in words is "four hundred five trillion, two hundred forty-two billion, five hundred thirty million, two hundred ten thousand, three hundred twenty-three".