440100023 has 8 divisors (see below), whose sum is σ = 482599056. Its totient is φ = 398016000.

The previous prime is 440100013. The next prime is 440100043. The reversal of 440100023 is 320001044.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 440100023 - 2²⁰ = 439051447 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 440099980 and 440100007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440100013) 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 in 7 ways as a sum of consecutive naturals, for example, 101528 + ... + 105773.

It is an arithmetic number, because the mean of its divisors is an integer number (60324882).

Almost surely, 2^440100023 is an apocalyptic number.

440100023 is a deficient number, since it is larger than the sum of its proper divisors (42499033).

440100023 is a wasteful number, since it uses less digits than its factorization.

440100023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207505.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 440100023 is about 20978.5610326352. The cubic root of 440100023 is about 760.6481215302.

Adding to 440100023 its reverse (320001044), we get a palindrome (760101067).

The spelling of 440100023 in words is "four hundred forty million, one hundred thousand, twenty-three".