140038323 has 16 divisors (see below), whose sum is σ = 190195200. Its totient is φ = 91634400.

The previous prime is 140038319. The next prime is 140038331. The reversal of 140038323 is 323830041.

It is not a de Polignac number, because 140038323 - 2² = 140038319 is a prime.

It is a super-2 number, since 2×140038323² = 39221463817304658, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140038293 and 140038302.

It is not an unprimeable number, because it can be changed into a prime (140038313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40773 + ... + 44073.

It is an arithmetic number, because the mean of its divisors is an integer number (11887200).

Almost surely, 2^140038323 is an apocalyptic number.

140038323 is a deficient number, since it is larger than the sum of its proper divisors (50156877).

140038323 is a wasteful number, since it uses less digits than its factorization.

140038323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3562.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 140038323 is about 11833.7788977148. The cubic root of 140038323 is about 519.2967848987.

Adding to 140038323 its reverse (323830041), we get a palindrome (463868364).

The spelling of 140038323 in words is "one hundred forty million, thirty-eight thousand, three hundred twenty-three".