140323434203 has 4 divisors (see below), whose sum is σ = 148577753880. Its totient is φ = 132069114528.

The previous prime is 140323434179. The next prime is 140323434211. The reversal of 140323434203 is 302434323041.

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-140323434203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140323434253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4127159813 + ... + 4127159846.

It is an arithmetic number, because the mean of its divisors is an integer number (37144438470).

Almost surely, 2^140323434203 is an apocalyptic number.

140323434203 is a deficient number, since it is larger than the sum of its proper divisors (8254319677).

140323434203 is an equidigital number, since it uses as much as digits as its factorization.

140323434203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8254319676.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 140323434203 its reverse (302434323041), we get a palindrome (442757757244).

The spelling of 140323434203 in words is "one hundred forty billion, three hundred twenty-three million, four hundred thirty-four thousand, two hundred three".