240101420200123 has 24 divisors (see below), whose sum is σ = 249808839952896. Its totient is φ = 230716464728640.

The previous prime is 240101420200121. The next prime is 240101420200139. The reversal of 240101420200123 is 321002024101042.

It is not a de Polignac number, because 240101420200123 - 2¹ = 240101420200121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 240101420200094 and 240101420200103.

It is not an unprimeable number, because it can be changed into a prime (240101420200121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 816060786 + ... + 816354952.

It is an arithmetic number, because the mean of its divisors is an integer number (10408701664704).

Almost surely, 2^{240101420200123} is an apocalyptic number.

240101420200123 is a deficient number, since it is larger than the sum of its proper divisors (9707419752773).

240101420200123 is an equidigital number, since it uses as much as digits as its factorization.

240101420200123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301563 (or 301522 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 240101420200123 its reverse (321002024101042), we get a palindrome (561103444301165).

The spelling of 240101420200123 in words is "two hundred forty trillion, one hundred one billion, four hundred twenty million, two hundred thousand, one hundred twenty-three".