140044123 has 2 divisors, whose sum is σ = 140044124. Its totient is φ = 140044122.

The previous prime is 140044063. The next prime is 140044127. The reversal of 140044123 is 321440041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140044123 - 2¹⁷ = 139913051 is a prime.

It is a super-2 number, since 2×140044123² = 39224712773678258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140044123.

It is not a weakly prime, because it can be changed into another prime (140044127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70022061 + 70022062.

It is an arithmetic number, because the mean of its divisors is an integer number (70022062).

Almost surely, 2^140044123 is an apocalyptic number.

140044123 is a deficient number, since it is larger than the sum of its proper divisors (1).

140044123 is an equidigital number, since it uses as much as digits as its factorization.

140044123 is an odious number, because the sum of its binary digits is odd.

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

The square root of 140044123 is about 11834.0239563726. The cubic root of 140044123 is about 519.3039540786.

Adding to 140044123 its reverse (321440041), we get a palindrome (461484164).

The spelling of 140044123 in words is "one hundred forty million, forty-four thousand, one hundred twenty-three".