123240112413 has 16 divisors (see below), whose sum is σ = 184103167296. Its totient is φ = 72672301440.

The previous prime is 123240112403. The next prime is 123240112439. The reversal of 123240112413 is 314211042321.

It is not a de Polignac number, because 123240112413 - 2⁶ = 123240112349 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123240112403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50465656 + ... + 50468097.

It is an arithmetic number, because the mean of its divisors is an integer number (11506447956).

Almost surely, 2^123240112413 is an apocalyptic number.

It is an amenable number.

123240112413 is a deficient number, since it is larger than the sum of its proper divisors (60863054883).

123240112413 is a wasteful number, since it uses less digits than its factorization.

123240112413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100933804.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 123240112413 its reverse (314211042321), we get a palindrome (437451154734).

The spelling of 123240112413 in words is "one hundred twenty-three billion, two hundred forty million, one hundred twelve thousand, four hundred thirteen".