406031145323 has 8 divisors (see below), whose sum is σ = 432653647392. Its totient is φ = 379712900736.

The previous prime is 406031145313. The next prime is 406031145397. The reversal of 406031145323 is 323541130604.

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

It is a cyclic number.

It is not a de Polignac number, because 406031145323 - 2¹² = 406031141227 is a prime.

It is a super-2 number, since 2×406031145323² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 406031145323.

It is not an unprimeable number, because it can be changed into a prime (406031145313) 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, 76061615 + ... + 76066952.

It is an arithmetic number, because the mean of its divisors is an integer number (54081705924).

Almost surely, 2^406031145323 is an apocalyptic number.

406031145323 is a deficient number, since it is larger than the sum of its proper divisors (26622502069).

406031145323 is a wasteful number, since it uses less digits than its factorization.

406031145323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152128741.

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 406031145323 its reverse (323541130604), we get a palindrome (729572275927).

The spelling of 406031145323 in words is "four hundred six billion, thirty-one million, one hundred forty-five thousand, three hundred twenty-three".