140231344243 has 2 divisors, whose sum is σ = 140231344244. Its totient is φ = 140231344242.

The previous prime is 140231344237. The next prime is 140231344271. The reversal of 140231344243 is 342443132041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140231344243 - 2⁹ = 140231343731 is a prime.

It is not a weakly prime, because it can be changed into another prime (140231344283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70115672121 + 70115672122.

It is an arithmetic number, because the mean of its divisors is an integer number (70115672122).

Almost surely, 2^140231344243 is an apocalyptic number.

140231344243 is a deficient number, since it is larger than the sum of its proper divisors (1).

140231344243 is an equidigital number, since it uses as much as digits as its factorization.

140231344243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 140231344243 its reverse (342443132041), we get a palindrome (482674476284).

The spelling of 140231344243 in words is "one hundred forty billion, two hundred thirty-one million, three hundred forty-four thousand, two hundred forty-three".