123503241 has 4 divisors (see below), whose sum is σ = 164670992. Its totient is φ = 82335492.

The previous prime is 123503239. The next prime is 123503321. The reversal of 123503241 is 142305321.

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 not a de Polignac number, because 123503241 - 2¹ = 123503239 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (123503231) 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, 20583871 + ... + 20583876.

It is an arithmetic number, because the mean of its divisors is an integer number (41167748).

Almost surely, 2^123503241 is an apocalyptic number.

It is an amenable number.

123503241 is a deficient number, since it is larger than the sum of its proper divisors (41167751).

123503241 is an equidigital number, since it uses as much as digits as its factorization.

123503241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41167750.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 123503241 is about 11113.2012039736. The cubic root of 123503241 is about 497.9963024515.

Adding to 123503241 its reverse (142305321), we get a palindrome (265808562).

The spelling of 123503241 in words is "one hundred twenty-three million, five hundred three thousand, two hundred forty-one".