123242441 has 16 divisors (see below), whose sum is σ = 147308544. Its totient is φ = 100812624.

The previous prime is 123242423. The next prime is 123242443. The reversal of 123242441 is 144242321.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123242441 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (123242443) 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, 138500 + ... + 139386.

It is an arithmetic number, because the mean of its divisors is an integer number (9206784).

Almost surely, 2^123242441 is an apocalyptic number.

It is an amenable number.

123242441 is a deficient number, since it is larger than the sum of its proper divisors (24066103).

123242441 is an equidigital number, since it uses as much as digits as its factorization.

123242441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1780.

The product of its digits is 1536, while the sum is 23.

The square root of 123242441 is about 11101.4612101291. The cubic root of 123242441 is about 497.6455182343.

Adding to 123242441 its reverse (144242321), we get a palindrome (267484762).

The spelling of 123242441 in words is "one hundred twenty-three million, two hundred forty-two thousand, four hundred forty-one".