140315223 has 4 divisors (see below), whose sum is σ = 187086968. Its totient is φ = 93543480.

The previous prime is 140315213. The next prime is 140315233. The reversal of 140315223 is 322513041.

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

It is an interprime number because it is at equal distance from previous prime (140315213) and next prime (140315233).

It is not a de Polignac number, because 140315223 - 2⁵ = 140315191 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140315223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140315213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23385868 + ... + 23385873.

It is an arithmetic number, because the mean of its divisors is an integer number (46771742).

Almost surely, 2^140315223 is an apocalyptic number.

140315223 is a deficient number, since it is larger than the sum of its proper divisors (46771745).

140315223 is an equidigital number, since it uses as much as digits as its factorization.

140315223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46771744.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 140315223 is about 11845.4726794670. The cubic root of 140315223 is about 519.6388308133.

Adding to 140315223 its reverse (322513041), we get a palindrome (462828264).

The spelling of 140315223 in words is "one hundred forty million, three hundred fifteen thousand, two hundred twenty-three".