140731800823 has 2 divisors, whose sum is σ = 140731800824. Its totient is φ = 140731800822.

The previous prime is 140731800817. The next prime is 140731800857. The reversal of 140731800823 is 328008137041.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140731800823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140731801823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70365900411 + 70365900412.

It is an arithmetic number, because the mean of its divisors is an integer number (70365900412).

Almost surely, 2^140731800823 is an apocalyptic number.

140731800823 is a deficient number, since it is larger than the sum of its proper divisors (1).

140731800823 is an equidigital number, since it uses as much as digits as its factorization.

140731800823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 37.

Adding to 140731800823 its reverse (328008137041), we get a palindrome (468739937864).

The spelling of 140731800823 in words is "one hundred forty billion, seven hundred thirty-one million, eight hundred thousand, eight hundred twenty-three".