140012155423 has 6 divisors (see below), whose sum is σ = 162871282896. Its totient is φ = 120010418892.

The previous prime is 140012155357. The next prime is 140012155463. The reversal of 140012155423 is 324551210041.

It is a de Polignac number, because none of the positive numbers 2^k-140012155423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140012155391 and 140012155400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140012155463) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1428695415 + ... + 1428695512.

It is an arithmetic number, because the mean of its divisors is an integer number (27145213816).

Almost surely, 2^140012155423 is an apocalyptic number.

140012155423 is a deficient number, since it is larger than the sum of its proper divisors (22859127473).

140012155423 is an equidigital number, since it uses as much as digits as its factorization.

140012155423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2857390941 (or 2857390934 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 140012155423 its reverse (324551210041), we get a palindrome (464563365464).

The spelling of 140012155423 in words is "one hundred forty billion, twelve million, one hundred fifty-five thousand, four hundred twenty-three".