140310323 has 16 divisors (see below), whose sum is σ = 149688000. Its totient is φ = 131281920.

The previous prime is 140310293. The next prime is 140310329. The reversal of 140310323 is 323013041.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 140310323 - 2⁶ = 140310259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140310329) 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, 236315 + ... + 236907.

It is an arithmetic number, because the mean of its divisors is an integer number (9355500).

Almost surely, 2^140310323 is an apocalyptic number.

140310323 is a deficient number, since it is larger than the sum of its proper divisors (9377677).

140310323 is a wasteful number, since it uses less digits than its factorization.

140310323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 140310323 is about 11845.2658475865. The cubic root of 140310323 is about 519.6327819094.

Adding to 140310323 its reverse (323013041), we get a palindrome (463323364).

The spelling of 140310323 in words is "one hundred forty million, three hundred ten thousand, three hundred twenty-three".