140043010043023 has 4 divisors (see below), whose sum is σ = 143827956260440. Its totient is φ = 136258063825608.

The previous prime is 140043010043017. The next prime is 140043010043039. The reversal of 140043010043023 is 320340010340041.

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

It is a cyclic number.

It is not a de Polignac number, because 140043010043023 - 2¹³ = 140043010034831 is a prime.

It is a super-2 number, since 2×140043010043023² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140043010049023) 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, 1892473108653 + ... + 1892473108726.

It is an arithmetic number, because the mean of its divisors is an integer number (35956989065110).

Almost surely, 2^{140043010043023} is an apocalyptic number.

140043010043023 is a deficient number, since it is larger than the sum of its proper divisors (3784946217417).

140043010043023 is an equidigital number, since it uses as much as digits as its factorization.

140043010043023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3784946217416.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 140043010043023 its reverse (320340010340041), we get a palindrome (460383020383064).

The spelling of 140043010043023 in words is "one hundred forty trillion, forty-three billion, ten million, forty-three thousand, twenty-three".