140321423 has 8 divisors (see below), whose sum is σ = 153376896. Its totient is φ = 127315800.

The previous prime is 140321399. The next prime is 140321437. The reversal of 140321423 is 324123041.

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 140321423 - 2⁶ = 140321359 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140321395 and 140321404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140321443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6443 + ... + 17948.

It is an arithmetic number, because the mean of its divisors is an integer number (19172112).

Almost surely, 2^140321423 is an apocalyptic number.

140321423 is a deficient number, since it is larger than the sum of its proper divisors (13055473).

140321423 is a wasteful number, since it uses less digits than its factorization.

140321423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24925.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 140321423 is about 11845.7343799361. The cubic root of 140321423 is about 519.6464843267.

Adding to 140321423 its reverse (324123041), we get a palindrome (464444464).

The spelling of 140321423 in words is "one hundred forty million, three hundred twenty-one thousand, four hundred twenty-three".