140423243226 has 96 divisors (see below), whose sum is σ = 348239995200. Its totient is φ = 37507244544.

The previous prime is 140423243173. The next prime is 140423243227. The reversal of 140423243226 is 622342324041.

It is not an unprimeable number, because it can be changed into a prime (140423243227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 650421 + ... + 838983.

It is an arithmetic number, because the mean of its divisors is an integer number (3627499950).

Almost surely, 2^140423243226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140423243226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174119997600).

140423243226 is an abundant number, since it is smaller than the sum of its proper divisors (207816751974).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140423243226 is a wasteful number, since it uses less digits than its factorization.

140423243226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188748 (or 188741 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 140423243226 its reverse (622342324041), we get a palindrome (762765567267).

The spelling of 140423243226 in words is "one hundred forty billion, four hundred twenty-three million, two hundred forty-three thousand, two hundred twenty-six".