405023320239 has 8 divisors (see below), whose sum is σ = 540058572720. Its totient is φ = 270001807296.

The previous prime is 405023320217. The next prime is 405023320309. The reversal of 405023320239 is 932023320504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 405023320239 - 2¹⁷ = 405023189167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405023320139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3365902 + ... + 3484155.

It is an arithmetic number, because the mean of its divisors is an integer number (67507321590).

Almost surely, 2^405023320239 is an apocalyptic number.

405023320239 is a deficient number, since it is larger than the sum of its proper divisors (135035252481).

405023320239 is a wasteful number, since it uses less digits than its factorization.

405023320239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6869769.

The product of its (nonzero) digits is 38880, while the sum is 33.

The spelling of 405023320239 in words is "four hundred five billion, twenty-three million, three hundred twenty thousand, two hundred thirty-nine".