440214243223 has 2 divisors, whose sum is σ = 440214243224. Its totient is φ = 440214243222.

The previous prime is 440214243137. The next prime is 440214243269. The reversal of 440214243223 is 322342412044.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 440214243223 - 2²⁹ = 439677372311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440214243023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220107121611 + 220107121612.

It is an arithmetic number, because the mean of its divisors is an integer number (220107121612).

Almost surely, 2^440214243223 is an apocalyptic number.

440214243223 is a deficient number, since it is larger than the sum of its proper divisors (1).

440214243223 is an equidigital number, since it uses as much as digits as its factorization.

440214243223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 440214243223 its reverse (322342412044), we get a palindrome (762556655267).

It can be divided in two parts, 440214243 and 223, that multiplied together give a palindrome (98167776189).

The spelling of 440214243223 in words is "four hundred forty billion, two hundred fourteen million, two hundred forty-three thousand, two hundred twenty-three".