400343010233 has 2 divisors, whose sum is σ = 400343010234. Its totient is φ = 400343010232.

The previous prime is 400343010227. The next prime is 400343010241. The reversal of 400343010233 is 332010343004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 396889920064 + 3453090169 = 629992^2 + 58763^2 .

It is a cyclic number.

It is not a de Polignac number, because 400343010233 - 2⁴ = 400343010217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 400343010199 and 400343010208.

It is not a weakly prime, because it can be changed into another prime (400343010293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200171505116 + 200171505117.

It is an arithmetic number, because the mean of its divisors is an integer number (200171505117).

Almost surely, 2^400343010233 is an apocalyptic number.

It is an amenable number.

400343010233 is a deficient number, since it is larger than the sum of its proper divisors (1).

400343010233 is an equidigital number, since it uses as much as digits as its factorization.

400343010233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 400343010233 its reverse (332010343004), we get a palindrome (732353353237).

The spelling of 400343010233 in words is "four hundred billion, three hundred forty-three million, ten thousand, two hundred thirty-three".