140435223 has 4 divisors (see below), whose sum is σ = 187246968. Its totient is φ = 93623480.

The previous prime is 140435221. The next prime is 140435257. The reversal of 140435223 is 322534041.

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 140435223 - 2¹ = 140435221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140435193 and 140435202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140435221) 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, 23405868 + ... + 23405873.

It is an arithmetic number, because the mean of its divisors is an integer number (46811742).

Almost surely, 2^140435223 is an apocalyptic number.

140435223 is a deficient number, since it is larger than the sum of its proper divisors (46811745).

140435223 is an equidigital number, since it uses as much as digits as its factorization.

140435223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46811744.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 140435223 is about 11850.5368232836. The cubic root of 140435223 is about 519.7869233026.

Adding to 140435223 its reverse (322534041), we get a palindrome (462969264).

The spelling of 140435223 in words is "one hundred forty million, four hundred thirty-five thousand, two hundred twenty-three".