140223303334021 has 4 divisors (see below), whose sum is σ = 140223432872844. Its totient is φ = 140223173795200.

The previous prime is 140223303334019. The next prime is 140223303334031. The reversal of 140223303334021 is 120433303322041.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4470628156996 + 135752675177025 = 2114386^2 + 11651295^2 .

It is a cyclic number.

It is not a de Polignac number, because 140223303334021 - 2¹ = 140223303334019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140223303334001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63131890 + ... + 65315251.

It is an arithmetic number, because the mean of its divisors is an integer number (35055858218211).

Almost surely, 2^{140223303334021} is an apocalyptic number.

It is an amenable number.

140223303334021 is a deficient number, since it is larger than the sum of its proper divisors (129538823).

140223303334021 is a wasteful number, since it uses less digits than its factorization.

140223303334021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129538822.

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 140223303334021 its reverse (120433303322041), we get a palindrome (260656606656062).

The spelling of 140223303334021 in words is "one hundred forty trillion, two hundred twenty-three billion, three hundred three million, three hundred thirty-four thousand, twenty-one".