140012241023443 has 4 divisors (see below), whose sum is σ = 140073839020008. Its totient is φ = 139950643026880.

The previous prime is 140012241023429. The next prime is 140012241023489. The reversal of 140012241023443 is 344320142210041.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140012241023443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140012241029443) 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, 30798994873 + ... + 30798999418.

It is an arithmetic number, because the mean of its divisors is an integer number (35018459755002).

Almost surely, 2^{140012241023443} is an apocalyptic number.

140012241023443 is a deficient number, since it is larger than the sum of its proper divisors (61597996565).

140012241023443 is an equidigital number, since it uses as much as digits as its factorization.

140012241023443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61597996564.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 140012241023443 its reverse (344320142210041), we get a palindrome (484332383233484).

The spelling of 140012241023443 in words is "one hundred forty trillion, twelve billion, two hundred forty-one million, twenty-three thousand, four hundred forty-three".