140023323 has 40 divisors (see below), whose sum is σ = 233812656. Its totient is φ = 82771200.

The previous prime is 140023309. The next prime is 140023327. The reversal of 140023323 is 323320041.

It is not a de Polignac number, because 140023323 - 2⁴ = 140023307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140023296 and 140023305.

It is not an unprimeable number, because it can be changed into a prime (140023327) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 34615 + ... + 38447.

Almost surely, 2^140023323 is an apocalyptic number.

140023323 is a deficient number, since it is larger than the sum of its proper divisors (93789333).

140023323 is a wasteful number, since it uses less digits than its factorization.

140023323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3897 (or 3888 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 140023323 is about 11833.1451017893. The cubic root of 140023323 is about 519.2782429983.

Adding to 140023323 its reverse (323320041), we get a palindrome (463343364).

The spelling of 140023323 in words is "one hundred forty million, twenty-three thousand, three hundred twenty-three".