400223504352343 has 16 divisors (see below), whose sum is σ = 458302752345600. Its totient is φ = 342370723926816.

The previous prime is 400223504352311. The next prime is 400223504352389. The reversal of 400223504352343 is 343253405322004.

It is a cyclic number.

It is not a de Polignac number, because 400223504352343 - 2⁵ = 400223504352311 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 400223504352296 and 400223504352305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400223594352343) 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, 1031305 + ... + 28310962.

It is an arithmetic number, because the mean of its divisors is an integer number (28643922021600).

Almost surely, 2^{400223504352343} is an apocalyptic number.

400223504352343 is a deficient number, since it is larger than the sum of its proper divisors (58079247993257).

400223504352343 is a wasteful number, since it uses less digits than its factorization.

400223504352343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29346126.

The product of its (nonzero) digits is 1036800, while the sum is 40.

Adding to 400223504352343 its reverse (343253405322004), we get a palindrome (743476909674347).

The spelling of 400223504352343 in words is "four hundred trillion, two hundred twenty-three billion, five hundred four million, three hundred fifty-two thousand, three hundred forty-three".