440046323 has 2 divisors, whose sum is σ = 440046324. Its totient is φ = 440046322.

The previous prime is 440046307. The next prime is 440046379. The reversal of 440046323 is 323640044.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 440046323 - 2⁴ = 440046307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 440046292 and 440046301.

It is not a weakly prime, because it can be changed into another prime (440046823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220023161 + 220023162.

It is an arithmetic number, because the mean of its divisors is an integer number (220023162).

Almost surely, 2^440046323 is an apocalyptic number.

440046323 is a deficient number, since it is larger than the sum of its proper divisors (1).

440046323 is an equidigital number, since it uses as much as digits as its factorization.

440046323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 440046323 is about 20977.2811155307. The cubic root of 440046323 is about 760.6171827561.

Adding to 440046323 its reverse (323640044), we get a palindrome (763686367).

The spelling of 440046323 in words is "four hundred forty million, forty-six thousand, three hundred twenty-three".