140102430123 has 16 divisors (see below), whose sum is σ = 197799774336. Its totient is φ = 87903803520.

The previous prime is 140102430121. The next prime is 140102430137. The reversal of 140102430123 is 321034201041.

140102430123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 140102430123 - 2¹ = 140102430121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140102430123.

It is not an unprimeable number, because it can be changed into a prime (140102430121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1783840 + ... + 1860722.

It is an arithmetic number, because the mean of its divisors is an integer number (12362485896).

Almost surely, 2^140102430123 is an apocalyptic number.

140102430123 is a deficient number, since it is larger than the sum of its proper divisors (57697344213).

140102430123 is a wasteful number, since it uses less digits than its factorization.

140102430123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112634.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 140102430123 its reverse (321034201041), we get a palindrome (461136631164).

The spelling of 140102430123 in words is "one hundred forty billion, one hundred two million, four hundred thirty thousand, one hundred twenty-three".