140223131121424 has 40 divisors (see below), whose sum is σ = 292581686273240. Its totient is φ = 64718206737408.

The previous prime is 140223131121379. The next prime is 140223131121443. The reversal of 140223131121424 is 424121131322041.

It can be written as a sum of positive squares in 4 ways, for example, as 4694883565824 + 135528247555600 = 2166768^2 + 11641660^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136554034 + ... + 137577070.

It is an arithmetic number, because the mean of its divisors is an integer number (7314542156831).

Almost surely, 2^{140223131121424} is an apocalyptic number.

It is an amenable number.

140223131121424 is an abundant number, since it is smaller than the sum of its proper divisors (152358555151816).

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

140223131121424 is a wasteful number, since it uses less digits than its factorization.

140223131121424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1682027 (or 1682021 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

Adding to 140223131121424 its reverse (424121131322041), we get a palindrome (564344262443465).

The spelling of 140223131121424 in words is "one hundred forty trillion, two hundred twenty-three billion, one hundred thirty-one million, one hundred twenty-one thousand, four hundred twenty-four".