123441613 has 16 divisors (see below), whose sum is σ = 133969600. Its totient is φ = 113374080.

The previous prime is 123441601. The next prime is 123441623. The reversal of 123441613 is 316144321.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123441613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123441623) 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, 83878 + ... + 85336.

It is an arithmetic number, because the mean of its divisors is an integer number (8373100).

Almost surely, 2^123441613 is an apocalyptic number.

It is an amenable number.

123441613 is a deficient number, since it is larger than the sum of its proper divisors (10527987).

123441613 is a wasteful number, since it uses less digits than its factorization.

123441613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1612.

The product of its digits is 1728, while the sum is 25.

The square root of 123441613 is about 11110.4281195641. The cubic root of 123441613 is about 497.9134554424.

Adding to 123441613 its reverse (316144321), we get a palindrome (439585934).

The spelling of 123441613 in words is "one hundred twenty-three million, four hundred forty-one thousand, six hundred thirteen".