440142101123 has 16 divisors (see below), whose sum is σ = 452569057920. Its totient is φ = 427911741504.

The previous prime is 440142101101. The next prime is 440142101137. The reversal of 440142101123 is 321101241044.

It is a cyclic number.

It is not a de Polignac number, because 440142101123 - 2¹⁶ = 440142035587 is a prime.

It is a super-2 number, since 2×440142101123² (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 (440142101173) 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, 2602148 + ... + 2766126.

It is an arithmetic number, because the mean of its divisors is an integer number (28285566120).

Almost surely, 2^440142101123 is an apocalyptic number.

440142101123 is a deficient number, since it is larger than the sum of its proper divisors (12426956797).

440142101123 is a wasteful number, since it uses less digits than its factorization.

440142101123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164578.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 440142101123 its reverse (321101241044), we get a palindrome (761243342167).

The spelling of 440142101123 in words is "four hundred forty billion, one hundred forty-two million, one hundred one thousand, one hundred twenty-three".