123243241 has 12 divisors (see below), whose sum is σ = 136732752. Its totient is φ = 110166000.

The previous prime is 123243233. The next prime is 123243247. The reversal of 123243241 is 142342321.

It is not a de Polignac number, because 123243241 - 2³ = 123243233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123243247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39426 + ... + 42436.

It is an arithmetic number, because the mean of its divisors is an integer number (11394396).

Almost surely, 2^123243241 is an apocalyptic number.

123243241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

123243241 is a deficient number, since it is larger than the sum of its proper divisors (13489511).

123243241 is an equidigital number, since it uses as much as digits as its factorization.

123243241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3144 (or 3083 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

The square root of 123243241 is about 11101.4972413634. The cubic root of 123243241 is about 497.6465950158.

Adding to 123243241 its reverse (142342321), we get a palindrome (265585562).

The spelling of 123243241 in words is "one hundred twenty-three million, two hundred forty-three thousand, two hundred forty-one".