440423234101 has 4 divisors (see below), whose sum is σ = 440427523392. Its totient is φ = 440418944812.

The previous prime is 440423234089. The next prime is 440423234189. The reversal of 440423234101 is 101432324044.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 440423234101 - 2¹³ = 440423225909 is a prime.

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 440423234101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440423234401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1986751 + ... + 2197276.

It is an arithmetic number, because the mean of its divisors is an integer number (110106880848).

Almost surely, 2^440423234101 is an apocalyptic number.

It is an amenable number.

440423234101 is a deficient number, since it is larger than the sum of its proper divisors (4289291).

440423234101 is a wasteful number, since it uses less digits than its factorization.

440423234101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4289290.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 440423234101 its reverse (101432324044), we get a palindrome (541855558145).

The spelling of 440423234101 in words is "four hundred forty billion, four hundred twenty-three million, two hundred thirty-four thousand, one hundred one".