140243101123 has 4 divisors (see below), whose sum is σ = 140289836248.
Its totient is φ = 140196366000.
The previous prime is 140243101069. The next prime is 140243101129. The reversal of 140243101123 is 321101342041.
Adding to 140243101123 its reverse (321101342041), we get a palindrome (461344443164).
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321101342041 = 3529 ⋅90989329.
It is a cyclic number.
It is not a de Polignac number, because 140243101123 - 229 = 139706230211 is a prime.
It is a super-2 number, since 2×1402431011232 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 140243101094 and 140243101103.
It is not an unprimeable number, because it can be changed into a prime (140243101129) 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, 23363061 + ... + 23369062.
It is an arithmetic number, because the mean of its divisors is an integer number (35072459062).
Almost surely, 2140243101123 is an apocalyptic number.
140243101123 is a deficient number, since it is larger than the sum of its proper divisors (46735125).
140243101123 is an equidigital number, since it uses as much as digits as its factorization.
140243101123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46735124.
The product of its (nonzero) digits is 576, while the sum is 22.
The spelling of 140243101123 in words is "one hundred forty billion, two hundred forty-three million, one hundred one thousand, one hundred twenty-three".