140223432223421 has 16 divisors (see below), whose sum is σ = 148511866982976. Its totient is φ = 131939444564736.

The previous prime is 140223432223373. The next prime is 140223432223493. The reversal of 140223432223421 is 124322234322041.

It is a cyclic number.

It is not a de Polignac number, because 140223432223421 - 2¹⁴ = 140223432207037 is a prime.

It is a super-2 number, since 2×140223432223421² (a number of 29 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 (140223432225421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2738873795 + ... + 2738924991.

It is an arithmetic number, because the mean of its divisors is an integer number (9281991686436).

Almost surely, 2^{140223432223421} is an apocalyptic number.

It is an amenable number.

140223432223421 is a deficient number, since it is larger than the sum of its proper divisors (8288434759555).

140223432223421 is a wasteful number, since it uses less digits than its factorization.

140223432223421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91468.

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 140223432223421 its reverse (124322234322041), we get a palindrome (264545666545462).

The spelling of 140223432223421 in words is "one hundred forty trillion, two hundred twenty-three billion, four hundred thirty-two million, two hundred twenty-three thousand, four hundred twenty-one".