140230443 has 4 divisors (see below), whose sum is σ = 186973928. Its totient is φ = 93486960.

The previous prime is 140230427. The next prime is 140230459. The reversal of 140230443 is 344032041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 344032041 = 3 ⋅114677347.

It is an interprime number because it is at equal distance from previous prime (140230427) and next prime (140230459).

It is not a de Polignac number, because 140230443 - 2⁴ = 140230427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140230043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23371738 + ... + 23371743.

It is an arithmetic number, because the mean of its divisors is an integer number (46743482).

Almost surely, 2^140230443 is an apocalyptic number.

140230443 is a deficient number, since it is larger than the sum of its proper divisors (46743485).

140230443 is an equidigital number, since it uses as much as digits as its factorization.

140230443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46743484.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 140230443 is about 11841.8935563532. The cubic root of 140230443 is about 519.5341525635.

Adding to 140230443 its reverse (344032041), we get a palindrome (484262484).

The spelling of 140230443 in words is "one hundred forty million, two hundred thirty thousand, four hundred forty-three".