140223404310121 has 32 divisors (see below), whose sum is σ = 154582869747456. Its totient is φ = 127188767059200.

The previous prime is 140223404310091. The next prime is 140223404310167. The reversal of 140223404310121 is 121013404322041.

It is a happy number.

It is not a de Polignac number, because 140223404310121 - 2⁹ = 140223404309609 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140223404310121.

It is not an unprimeable number, because it can be changed into a prime (140223474310121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1202616001 + ... + 1202732593.

It is an arithmetic number, because the mean of its divisors is an integer number (4830714679608).

Almost surely, 2^{140223404310121} is an apocalyptic number.

140223404310121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

140223404310121 is a deficient number, since it is larger than the sum of its proper divisors (14359465437335).

140223404310121 is a wasteful number, since it uses less digits than its factorization.

140223404310121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118654 (or 118632 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 140223404310121 its reverse (121013404322041), we get a palindrome (261236808632162).

The spelling of 140223404310121 in words is "one hundred forty trillion, two hundred twenty-three billion, four hundred four million, three hundred ten thousand, one hundred twenty-one".