140011823 has 8 divisors (see below), whose sum is σ = 160819200. Its totient is φ = 119405880.

The previous prime is 140011819. The next prime is 140011829. The reversal of 140011823 is 328110041.

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

It is a cyclic number.

It is not a de Polignac number, because 140011823 - 2² = 140011819 is a prime.

It is a super-3 number, since 3×140011823³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140011795 and 140011804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140011829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48863 + ... + 51648.

It is an arithmetic number, because the mean of its divisors is an integer number (20102400).

Almost surely, 2^140011823 is an apocalyptic number.

140011823 is a deficient number, since it is larger than the sum of its proper divisors (20807377).

140011823 is a wasteful number, since it uses less digits than its factorization.

140011823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100717.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 140011823 is about 11832.6591685893. The cubic root of 140011823 is about 519.2640266446.

Adding to 140011823 its reverse (328110041), we get a palindrome (468121864).

The spelling of 140011823 in words is "one hundred forty million, eleven thousand, eight hundred twenty-three".