140310223 has 4 divisors (see below), whose sum is σ = 140753160. Its totient is φ = 139867288.

The previous prime is 140310221. The next prime is 140310229. The reversal of 140310223 is 322013041.

It is a happy number.

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 140310223 - 2¹ = 140310221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140310197 and 140310206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140310221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220993 + ... + 221626.

It is an arithmetic number, because the mean of its divisors is an integer number (35188290).

Almost surely, 2^140310223 is an apocalyptic number.

140310223 is a deficient number, since it is larger than the sum of its proper divisors (442937).

140310223 is an equidigital number, since it uses as much as digits as its factorization.

140310223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442936.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 140310223 is about 11845.2616264901. The cubic root of 140310223 is about 519.6326584609.

Adding to 140310223 its reverse (322013041), we get a palindrome (462323264).

The spelling of 140310223 in words is "one hundred forty million, three hundred ten thousand, two hundred twenty-three".