140123103 has 4 divisors (see below), whose sum is σ = 186830808. Its totient is φ = 93415400.

The previous prime is 140123077. The next prime is 140123143. The reversal of 140123103 is 301321041.

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 140123103 - 2²⁶ = 73014239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140123143) 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, 23353848 + ... + 23353853.

It is an arithmetic number, because the mean of its divisors is an integer number (46707702).

Almost surely, 2^140123103 is an apocalyptic number.

140123103 is a deficient number, since it is larger than the sum of its proper divisors (46707705).

140123103 is an equidigital number, since it uses as much as digits as its factorization.

140123103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46707704.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 140123103 is about 11837.3604743625. The cubic root of 140123103 is about 519.4015588371.

Adding to 140123103 its reverse (301321041), we get a palindrome (441444144).

The spelling of 140123103 in words is "one hundred forty million, one hundred twenty-three thousand, one hundred three".