140441023 has 4 divisors (see below), whose sum is σ = 141371248. Its totient is φ = 139510800.

The previous prime is 140441009. The next prime is 140441051. The reversal of 140441023 is 320144041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140441023 - 2¹⁷ = 140309951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140441003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 464886 + ... + 465187.

It is an arithmetic number, because the mean of its divisors is an integer number (35342812).

Almost surely, 2^140441023 is an apocalyptic number.

140441023 is a deficient number, since it is larger than the sum of its proper divisors (930225).

140441023 is an equidigital number, since it uses as much as digits as its factorization.

140441023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930224.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 140441023 is about 11850.7815354094. The cubic root of 140441023 is about 519.7940789686.

Adding to 140441023 its reverse (320144041), we get a palindrome (460585064).

The spelling of 140441023 in words is "one hundred forty million, four hundred forty-one thousand, twenty-three".