140111123 has 4 divisors (see below), whose sum is σ = 140739648. Its totient is φ = 139482600.

The previous prime is 140111117. The next prime is 140111141. The reversal of 140111123 is 321111041.

140111123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140111123 - 2¹⁸ = 139848979 is a prime.

It is a super-2 number, since 2×140111123² = 39262253576642258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140111098 and 140111107.

It is not an unprimeable number, because it can be changed into a prime (140111623) 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, 313928 + ... + 314373.

It is an arithmetic number, because the mean of its divisors is an integer number (35184912).

Almost surely, 2^140111123 is an apocalyptic number.

140111123 is a deficient number, since it is larger than the sum of its proper divisors (628525).

140111123 is an equidigital number, since it uses as much as digits as its factorization.

140111123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628524.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 140111123 is about 11836.8544385745. The cubic root of 140111123 is about 519.3867561199.

Adding to 140111123 its reverse (321111041), we get a palindrome (461222164).

The spelling of 140111123 in words is "one hundred forty million, one hundred eleven thousand, one hundred twenty-three".