140304323 has 8 divisors (see below), whose sum is σ = 141147600. Its totient is φ = 139464288.

The previous prime is 140304293. The next prime is 140304343. The reversal of 140304323 is 323403041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140304323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140304295 and 140304304.

It is not an unprimeable number, because it can be changed into a prime (140304343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189488 + ... + 190226.

It is an arithmetic number, because the mean of its divisors is an integer number (17643450).

Almost surely, 2^140304323 is an apocalyptic number.

140304323 is a deficient number, since it is larger than the sum of its proper divisors (843277).

140304323 is an equidigital number, since it uses as much as digits as its factorization.

140304323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1621.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 140304323 is about 11845.0125791406. The cubic root of 140304323 is about 519.6253748964.

Adding to 140304323 its reverse (323403041), we get a palindrome (463707364).

The spelling of 140304323 in words is "one hundred forty million, three hundred four thousand, three hundred twenty-three".