240113556123 has 16 divisors (see below), whose sum is σ = 366799773696. Its totient is φ = 136865577600.

The previous prime is 240113556119. The next prime is 240113556139. The reversal of 240113556123 is 321655311042.

It is not a de Polignac number, because 240113556123 - 2² = 240113556119 is a prime.

It is a super-2 number, since 2×240113556123² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (240113556103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14248411 + ... + 14265252.

It is an arithmetic number, because the mean of its divisors is an integer number (22924985856).

Almost surely, 2^240113556123 is an apocalyptic number.

240113556123 is a deficient number, since it is larger than the sum of its proper divisors (126686217573).

240113556123 is a wasteful number, since it uses less digits than its factorization.

240113556123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28514074.

The product of its (nonzero) digits is 21600, while the sum is 33.

Adding to 240113556123 its reverse (321655311042), we get a palindrome (561768867165).

The spelling of 240113556123 in words is "two hundred forty billion, one hundred thirteen million, five hundred fifty-six thousand, one hundred twenty-three".