140423221232 has 20 divisors (see below), whose sum is σ = 310937132976. Its totient is φ = 60181380480.

The previous prime is 140423221231. The next prime is 140423221241. The reversal of 140423221232 is 232122324041.

It is a super-2 number, since 2×140423221232² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140423221231) 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 3 ways as a sum of consecutive naturals, for example, 626889269 + ... + 626889492.

Almost surely, 2^140423221232 is an apocalyptic number.

It is an amenable number.

140423221232 is an abundant number, since it is smaller than the sum of its proper divisors (170513911744).

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

140423221232 is a wasteful number, since it uses less digits than its factorization.

140423221232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253778776 (or 1253778770 counting only the distinct ones).

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

Adding to 140423221232 its reverse (232122324041), we get a palindrome (372545545273).

The spelling of 140423221232 in words is "one hundred forty billion, four hundred twenty-three million, two hundred twenty-one thousand, two hundred thirty-two".