140423245435123 has 16 divisors (see below), whose sum is σ = 162722001300480. Its totient is φ = 118684871113536.

The previous prime is 140423245435087. The next prime is 140423245435127. The reversal of 140423245435123 is 321534542324041.

It is a de Polignac number, because none of the positive numbers 2^k-140423245435123 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140423245435123.

It is not an unprimeable number, because it can be changed into a prime (140423245435127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31600465 + ... + 35769202.

It is an arithmetic number, because the mean of its divisors is an integer number (10170125081280).

Almost surely, 2^{140423245435123} is an apocalyptic number.

140423245435123 is a deficient number, since it is larger than the sum of its proper divisors (22298755865357).

140423245435123 is an equidigital number, since it uses as much as digits as its factorization.

140423245435123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67373826.

The product of its (nonzero) digits is 1382400, while the sum is 43.

Adding to 140423245435123 its reverse (321534542324041), we get a palindrome (461957787759164).

The spelling of 140423245435123 in words is "one hundred forty trillion, four hundred twenty-three billion, two hundred forty-five million, four hundred thirty-five thousand, one hundred twenty-three".