440314423 has 2 divisors, whose sum is σ = 440314424. Its totient is φ = 440314422.

The previous prime is 440314387. The next prime is 440314439. The reversal of 440314423 is 324413044.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 440314423 - 2¹³ = 440306231 is a prime.

It is a super-2 number, since 2×440314423² = 387753582203645858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440315423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220157211 + 220157212.

It is an arithmetic number, because the mean of its divisors is an integer number (220157212).

Almost surely, 2^440314423 is an apocalyptic number.

440314423 is a deficient number, since it is larger than the sum of its proper divisors (1).

440314423 is an equidigital number, since it uses as much as digits as its factorization.

440314423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 440314423 is about 20983.6703891383. The cubic root of 440314423 is about 760.7716210934.

Adding to 440314423 its reverse (324413044), we get a palindrome (764727467).

The spelling of 440314423 in words is "four hundred forty million, three hundred fourteen thousand, four hundred twenty-three".