440323214203 has 4 divisors (see below), whose sum is σ = 440324809848. Its totient is φ = 440321618560.

The previous prime is 440323214153. The next prime is 440323214251. The reversal of 440323214203 is 302412323044.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-440323214203 is a prime.

It is a super-2 number, since 2×440323214203² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440323214263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265501 + ... + 975262.

It is an arithmetic number, because the mean of its divisors is an integer number (110081202462).

Almost surely, 2^440323214203 is an apocalyptic number.

440323214203 is a deficient number, since it is larger than the sum of its proper divisors (1595645).

440323214203 is a wasteful number, since it uses less digits than its factorization.

440323214203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1595644.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 440323214203 its reverse (302412323044), we get a palindrome (742735537247).

The spelling of 440323214203 in words is "four hundred forty billion, three hundred twenty-three million, two hundred fourteen thousand, two hundred three".