140321023 has 8 divisors (see below), whose sum is σ = 148187520. Its totient is φ = 132502680.

The previous prime is 140321021. The next prime is 140321081. The reversal of 140321023 is 320123041.

It is a happy number.

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 140321023 - 2¹ = 140321021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140320988 and 140321006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140321021) 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, 5965 + ... + 17782.

It is an arithmetic number, because the mean of its divisors is an integer number (18523440).

Almost surely, 2^140321023 is an apocalyptic number.

140321023 is a deficient number, since it is larger than the sum of its proper divisors (7866497).

140321023 is a wasteful number, since it uses less digits than its factorization.

140321023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24077.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 140321023 is about 11845.7174962093. The cubic root of 140321023 is about 519.6459905584.

Adding to 140321023 its reverse (320123041), we get a palindrome (460444064).

The spelling of 140321023 in words is "one hundred forty million, three hundred twenty-one thousand, twenty-three".