140223434443 has 8 divisors (see below), whose sum is σ = 141542382960. Its totient is φ = 138905076960.

The previous prime is 140223434431. The next prime is 140223434453. The reversal of 140223434443 is 344434322041.

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

It is a cyclic number.

It is not a de Polignac number, because 140223434443 - 2⁵ = 140223434411 is a prime.

It is a super-2 number, since 2×140223434443² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140223434399 and 140223434408.

It is not an unprimeable number, because it can be changed into a prime (140223434413) 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, 336396 + ... + 627382.

It is an arithmetic number, because the mean of its divisors is an integer number (17692797870).

Almost surely, 2^140223434443 is an apocalyptic number.

140223434443 is a deficient number, since it is larger than the sum of its proper divisors (1318948517).

140223434443 is a wasteful number, since it uses less digits than its factorization.

140223434443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295517.

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 140223434443 its reverse (344434322041), we get a palindrome (484657756484).

The spelling of 140223434443 in words is "one hundred forty billion, two hundred twenty-three million, four hundred thirty-four thousand, four hundred forty-three".