440623602414223 has 4 divisors (see below), whose sum is σ = 450870662935528. Its totient is φ = 430376541892920.

The previous prime is 440623602414211. The next prime is 440623602414253. The reversal of 440623602414223 is 322414206326044.

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-440623602414223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43), and also a Moran number because the ratio is a prime number: 10247060521261 = 440623602414223 / (4 + 4 + 0 + 6 + 2 + 3 + 6 + 0 + 2 + 4 + 1 + 4 + 2 + 2 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 440623602414223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440623602414253) 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, 5123530260588 + ... + 5123530260673.

It is an arithmetic number, because the mean of its divisors is an integer number (112717665733882).

Almost surely, 2^{440623602414223} is an apocalyptic number.

440623602414223 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

440623602414223 is a deficient number, since it is larger than the sum of its proper divisors (10247060521305).

440623602414223 is a wasteful number, since it uses less digits than its factorization.

440623602414223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10247060521304.

The product of its (nonzero) digits is 1327104, while the sum is 43.

The spelling of 440623602414223 in words is "four hundred forty trillion, six hundred twenty-three billion, six hundred two million, four hundred fourteen thousand, two hundred twenty-three".