405023400313 has 16 divisors (see below), whose sum is σ = 465336904960. Its totient is φ = 345323575296.

The previous prime is 405023400293. The next prime is 405023400329. The reversal of 405023400313 is 313004320504.

It is not a de Polignac number, because 405023400313 - 2²¹ = 405021303161 is a prime.

It is a super-2 number, since 2×405023400313² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (405023400343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19453453 + ... + 19474261.

It is an arithmetic number, because the mean of its divisors is an integer number (29083556560).

Almost surely, 2^405023400313 is an apocalyptic number.

It is an amenable number.

405023400313 is a deficient number, since it is larger than the sum of its proper divisors (60313504647).

405023400313 is a wasteful number, since it uses less digits than its factorization.

405023400313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35416.

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 405023400313 its reverse (313004320504), we get a palindrome (718027720817).

The spelling of 405023400313 in words is "four hundred five billion, twenty-three million, four hundred thousand, three hundred thirteen".