123430241 has 4 divisors (see below), whose sum is σ = 134651184. Its totient is φ = 112209300.

The previous prime is 123430199. The next prime is 123430243. The reversal of 123430241 is 142034321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123430241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123430243) 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, 5610455 + ... + 5610476.

It is an arithmetic number, because the mean of its divisors is an integer number (33662796).

Almost surely, 2^123430241 is an apocalyptic number.

123430241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

123430241 is a deficient number, since it is larger than the sum of its proper divisors (11220943).

123430241 is a wasteful number, since it uses less digits than its factorization.

123430241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11220942.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 123430241 is about 11109.9163363186. The cubic root of 123430241 is about 497.8981649593.

Adding to 123430241 its reverse (142034321), we get a palindrome (265464562).

The spelling of 123430241 in words is "one hundred twenty-three million, four hundred thirty thousand, two hundred forty-one".