140223421024342 has 4 divisors (see below), whose sum is σ = 210335131536516. Its totient is φ = 70111710512170.

The previous prime is 140223421024307. The next prime is 140223421024363. The reversal of 140223421024342 is 243420124322041.

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

It is a junction number, because it is equal to n+sod(n) for n = 140223421024298 and 140223421024307.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35055855256084 + ... + 35055855256087.

It is an arithmetic number, because the mean of its divisors is an integer number (52583782884129).

Almost surely, 2^{140223421024342} is an apocalyptic number.

140223421024342 is a deficient number, since it is larger than the sum of its proper divisors (70111710512174).

140223421024342 is an equidigital number, since it uses as much as digits as its factorization.

140223421024342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70111710512173.

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 140223421024342 its reverse (243420124322041), we get a palindrome (383643545346383).

The spelling of 140223421024342 in words is "one hundred forty trillion, two hundred twenty-three billion, four hundred twenty-one million, twenty-four thousand, three hundred forty-two".