140223434223 has 4 divisors (see below), whose sum is σ = 186964578968. Its totient is φ = 93482289480.

The previous prime is 140223434209. The next prime is 140223434249. The reversal of 140223434223 is 322434322041.

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

It is not a de Polignac number, because 140223434223 - 2⁵ = 140223434191 is a prime.

It is a super-2 number, since 2×140223434223² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140223434123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23370572368 + ... + 23370572373.

It is an arithmetic number, because the mean of its divisors is an integer number (46741144742).

Almost surely, 2^140223434223 is an apocalyptic number.

140223434223 is a deficient number, since it is larger than the sum of its proper divisors (46741144745).

140223434223 is an equidigital number, since it uses as much as digits as its factorization.

140223434223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46741144744.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 140223434223 its reverse (322434322041), we get a palindrome (462657756264).

The spelling of 140223434223 in words is "one hundred forty billion, two hundred twenty-three million, four hundred thirty-four thousand, two hundred twenty-three".