140140040123 has 2 divisors, whose sum is σ = 140140040124. Its totient is φ = 140140040122.

The previous prime is 140140040081. The next prime is 140140040207. The reversal of 140140040123 is 321040041041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140140040123 - 2⁶ = 140140040059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140140040095 and 140140040104.

It is not a weakly prime, because it can be changed into another prime (140140040323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70070020061 + 70070020062.

It is an arithmetic number, because the mean of its divisors is an integer number (70070020062).

Almost surely, 2^140140040123 is an apocalyptic number.

140140040123 is a deficient number, since it is larger than the sum of its proper divisors (1).

140140040123 is an equidigital number, since it uses as much as digits as its factorization.

140140040123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 140140040123 its reverse (321040041041), we get a palindrome (461180081164).

The spelling of 140140040123 in words is "one hundred forty billion, one hundred forty million, forty thousand, one hundred twenty-three".