140423323 has 4 divisors (see below), whose sum is σ = 141053248. Its totient is φ = 139793400.

The previous prime is 140423317. The next prime is 140423329. The reversal of 140423323 is 323324041.

It is a happy number.

140423323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (140423317) and next prime (140423329).

It is a cyclic number.

It is not a de Polignac number, because 140423323 - 2¹³ = 140415131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140423294 and 140423303.

It is not an unprimeable number, because it can be changed into a prime (140423329) 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, 314628 + ... + 315073.

It is an arithmetic number, because the mean of its divisors is an integer number (35263312).

Almost surely, 2^140423323 is an apocalyptic number.

140423323 is a deficient number, since it is larger than the sum of its proper divisors (629925).

140423323 is an equidigital number, since it uses as much as digits as its factorization.

140423323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629924.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 140423323 is about 11850.0347256875. The cubic root of 140423323 is about 519.7722412331.

Adding to 140423323 its reverse (323324041), we get a palindrome (463747364).

The spelling of 140423323 in words is "one hundred forty million, four hundred twenty-three thousand, three hundred twenty-three".