400303112323 has 2 divisors, whose sum is σ = 400303112324. Its totient is φ = 400303112322.

The previous prime is 400303112291. The next prime is 400303112353. The reversal of 400303112323 is 323211303004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 400303112323 - 2⁵ = 400303112291 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 400303112294 and 400303112303.

It is not a weakly prime, because it can be changed into another prime (400303112353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200151556161 + 200151556162.

It is an arithmetic number, because the mean of its divisors is an integer number (200151556162).

Almost surely, 2^400303112323 is an apocalyptic number.

400303112323 is a deficient number, since it is larger than the sum of its proper divisors (1).

400303112323 is an equidigital number, since it uses as much as digits as its factorization.

400303112323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 400303112323 its reverse (323211303004), we get a palindrome (723514415327).

The spelling of 400303112323 in words is "four hundred billion, three hundred three million, one hundred twelve thousand, three hundred twenty-three".