140423243012 has 12 divisors (see below), whose sum is σ = 264643804236. Its totient is φ = 64810727520.

The previous prime is 140423243011. The next prime is 140423243017. The reversal of 140423243012 is 210342324041.

It can be written as a sum of positive squares in 2 ways, for example, as 50456839876 + 89966403136 = 224626^2 + 299944^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (140423243011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1350223439 + ... + 1350223542.

It is an arithmetic number, because the mean of its divisors is an integer number (22053650353).

Almost surely, 2^140423243012 is an apocalyptic number.

It is an amenable number.

140423243012 is a deficient number, since it is larger than the sum of its proper divisors (124220561224).

140423243012 is a wasteful number, since it uses less digits than its factorization.

140423243012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2700446998 (or 2700446996 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 140423243012 its reverse (210342324041), we get a palindrome (350765567053).

The spelling of 140423243012 in words is "one hundred forty billion, four hundred twenty-three million, two hundred forty-three thousand, twelve".