123040441 has 4 divisors (see below), whose sum is σ = 130278132. Its totient is φ = 115802752.

The previous prime is 123040433. The next prime is 123040459. The reversal of 123040441 is 144040321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 99420841 + 23619600 = 9971^2 + 4860^2 .

It is a cyclic number.

It is not a de Polignac number, because 123040441 - 2³ = 123040433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123040241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3618820 + ... + 3618853.

It is an arithmetic number, because the mean of its divisors is an integer number (32569533).

Almost surely, 2^123040441 is an apocalyptic number.

It is an amenable number.

123040441 is a deficient number, since it is larger than the sum of its proper divisors (7237691).

123040441 is an equidigital number, since it uses as much as digits as its factorization.

123040441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7237690.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 123040441 is about 11092.3595776552. The cubic root of 123040441 is about 497.3734816282.

Adding to 123040441 its reverse (144040321), we get a palindrome (267080762).

The spelling of 123040441 in words is "one hundred twenty-three million, forty thousand, four hundred forty-one".