140023043 has 2 divisors, whose sum is σ = 140023044. Its totient is φ = 140023042.

The previous prime is 140022977. The next prime is 140023061. The reversal of 140023043 is 340320041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140023043 - 2⁸ = 140022787 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (140023073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70011521 + 70011522.

It is an arithmetic number, because the mean of its divisors is an integer number (70011522).

Almost surely, 2^140023043 is an apocalyptic number.

140023043 is a deficient number, since it is larger than the sum of its proper divisors (1).

140023043 is an equidigital number, since it uses as much as digits as its factorization.

140023043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 140023043 is about 11833.1332706093. The cubic root of 140023043 is about 519.2778968703.

Adding to 140023043 its reverse (340320041), we get a palindrome (480343084).

The spelling of 140023043 in words is "one hundred forty million, twenty-three thousand, forty-three".