140213123223001 has 4 divisors (see below), whose sum is σ = 142511699013604. Its totient is φ = 137914547432400.

The previous prime is 140213123222987. The next prime is 140213123223013. The reversal of 140213123223001 is 100322321312041.

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 30349918373776 + 109863204849225 = 5509076^2 + 10481565^2 .

It is a cyclic number.

It is not a de Polignac number, because 140213123223001 - 2¹⁷ = 140213123091929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140213123223401) 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, 1149287895210 + ... + 1149287895331.

It is an arithmetic number, because the mean of its divisors is an integer number (35627924753401).

Almost surely, 2^{140213123223001} is an apocalyptic number.

It is an amenable number.

140213123223001 is a deficient number, since it is larger than the sum of its proper divisors (2298575790603).

140213123223001 is an equidigital number, since it uses as much as digits as its factorization.

140213123223001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2298575790602.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 140213123223001 its reverse (100322321312041), we get a palindrome (240535444535042).

The spelling of 140213123223001 in words is "one hundred forty trillion, two hundred thirteen billion, one hundred twenty-three million, two hundred twenty-three thousand, one".