140321323 has 4 divisors (see below), whose sum is σ = 140373688. Its totient is φ = 140268960.

The previous prime is 140321309. The next prime is 140321333. The reversal of 140321323 is 323123041.

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

It is a cyclic number.

It is not a de Polignac number, because 140321323 - 2¹⁷ = 140190251 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140321323.

It is not an unprimeable number, because it can be changed into a prime (140321303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21933 + ... + 27598.

It is an arithmetic number, because the mean of its divisors is an integer number (35093422).

Almost surely, 2^140321323 is an apocalyptic number.

140321323 is a deficient number, since it is larger than the sum of its proper divisors (52365).

140321323 is an equidigital number, since it uses as much as digits as its factorization.

140321323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52364.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 140321323 is about 11845.7301590067. The cubic root of 140321323 is about 519.6463608847.

Adding to 140321323 its reverse (323123041), we get a palindrome (463444364).

The spelling of 140321323 in words is "one hundred forty million, three hundred twenty-one thousand, three hundred twenty-three".