140223142010021 has 4 divisors (see below), whose sum is σ = 160255019440032. Its totient is φ = 120191264580012.

The previous prime is 140223142009999. The next prime is 140223142010033. The reversal of 140223142010021 is 120010241322041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 140223142010021 - 2¹⁴ = 140223141993637 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 (140223142010821) 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, 10015938714995 + ... + 10015938715008.

It is an arithmetic number, because the mean of its divisors is an integer number (40063754860008).

Almost surely, 2^{140223142010021} is an apocalyptic number.

It is an amenable number.

140223142010021 is a deficient number, since it is larger than the sum of its proper divisors (20031877430011).

140223142010021 is an equidigital number, since it uses as much as digits as its factorization.

140223142010021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20031877430010.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 140223142010021 its reverse (120010241322041), we get a palindrome (260233383332062).

The spelling of 140223142010021 in words is "one hundred forty trillion, two hundred twenty-three billion, one hundred forty-two million, ten thousand, twenty-one".