400315210223 has 16 divisors (see below), whose sum is σ = 404791934976. Its totient is φ = 395868903360.

The previous prime is 400315210171. The next prime is 400315210241. The reversal of 400315210223 is 322012513004.

It is a cyclic number.

It is not a de Polignac number, because 400315210223 - 2²⁶ = 400248101359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400315290223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28786490 + ... + 28800392.

It is an arithmetic number, because the mean of its divisors is an integer number (25299495936).

Almost surely, 2^400315210223 is an apocalyptic number.

400315210223 is a deficient number, since it is larger than the sum of its proper divisors (4476724753).

400315210223 is a wasteful number, since it uses less digits than its factorization.

400315210223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14974.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 400315210223 its reverse (322012513004), we get a palindrome (722327723227).

The spelling of 400315210223 in words is "four hundred billion, three hundred fifteen million, two hundred ten thousand, two hundred twenty-three".