140816923 has 8 divisors (see below), whose sum is σ = 159630800. Its totient is φ = 123143328.

The previous prime is 140816917. The next prime is 140816939. The reversal of 140816923 is 329618041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140816923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140816903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284808 + ... + 285301.

It is an arithmetic number, because the mean of its divisors is an integer number (19953850).

Almost surely, 2^140816923 is an apocalyptic number.

140816923 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

140816923 is a deficient number, since it is larger than the sum of its proper divisors (18813877).

140816923 is a wasteful number, since it uses less digits than its factorization.

140816923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570141.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 140816923 is about 11866.6306506944. The cubic root of 140816923 is about 520.2574206225.

The spelling of 140816923 in words is "one hundred forty million, eight hundred sixteen thousand, nine hundred twenty-three".