440130020443323 has 16 divisors (see below), whose sum is σ = 670674697943040. Its totient is φ = 251502725920896.

The previous prime is 440130020443307. The next prime is 440130020443339. The reversal of 440130020443323 is 323344020031044.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (440130020443307) and next prime (440130020443339).

It is not a de Polignac number, because 440130020443323 - 2⁴ = 440130020443307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (440130020443423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40207011 + ... + 49968627.

It is an arithmetic number, because the mean of its divisors is an integer number (41917168621440).

Almost surely, 2^{440130020443323} is an apocalyptic number.

440130020443323 is a deficient number, since it is larger than the sum of its proper divisors (230544677499717).

440130020443323 is a wasteful number, since it uses less digits than its factorization.

440130020443323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11908666.

The product of its (nonzero) digits is 82944, while the sum is 33.

Adding to 440130020443323 its reverse (323344020031044), we get a palindrome (763474040474367).

The spelling of 440130020443323 in words is "four hundred forty trillion, one hundred thirty billion, twenty million, four hundred forty-three thousand, three hundred twenty-three".