240140123 has 2 divisors, whose sum is σ = 240140124. Its totient is φ = 240140122.

The previous prime is 240140119. The next prime is 240140129. The reversal of 240140123 is 321041042.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 240140123 - 2² = 240140119 is a prime.

It is not a weakly prime, because it can be changed into another prime (240140129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120070061 + 120070062.

It is an arithmetic number, because the mean of its divisors is an integer number (120070062).

Almost surely, 2^240140123 is an apocalyptic number.

240140123 is a deficient number, since it is larger than the sum of its proper divisors (1).

240140123 is an equidigital number, since it uses as much as digits as its factorization.

240140123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 240140123 is about 15496.4551752973. The cubic root of 240140123 is about 621.5674206445.

Adding to 240140123 its reverse (321041042), we get a palindrome (561181165).

It can be divided in two parts, 2401 and 40123, that added together give a palindrome (42524).

The spelling of 240140123 in words is "two hundred forty million, one hundred forty thousand, one hundred twenty-three".