440412321401323 has 2 divisors, whose sum is σ = 440412321401324. Its totient is φ = 440412321401322.

The previous prime is 440412321401251. The next prime is 440412321401329. The reversal of 440412321401323 is 323104123214044.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 440412321401323 - 2⁹ = 440412321400811 is a prime.

It is not a weakly prime, because it can be changed into another prime (440412321401329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220206160700661 + 220206160700662.

It is an arithmetic number, because the mean of its divisors is an integer number (220206160700662).

Almost surely, 2^{440412321401323} is an apocalyptic number.

440412321401323 is a deficient number, since it is larger than the sum of its proper divisors (1).

440412321401323 is an equidigital number, since it uses as much as digits as its factorization.

440412321401323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 440412321401323 its reverse (323104123214044), we get a palindrome (763516444615367).

The spelling of 440412321401323 in words is "four hundred forty trillion, four hundred twelve billion, three hundred twenty-one million, four hundred one thousand, three hundred twenty-three".