123520301 has 4 divisors (see below), whose sum is σ = 123607932. Its totient is φ = 123432672.

The previous prime is 123520297. The next prime is 123520321. The reversal of 123520301 is 103025321.

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 39816100 + 83704201 = 6310^2 + 9149^2 .

It is a cyclic number.

It is not a de Polignac number, because 123520301 - 2² = 123520297 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123520301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123520321) 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, 41666 + ... + 44531.

It is an arithmetic number, because the mean of its divisors is an integer number (30901983).

Almost surely, 2^123520301 is an apocalyptic number.

It is an amenable number.

123520301 is a deficient number, since it is larger than the sum of its proper divisors (87631).

123520301 is an equidigital number, since it uses as much as digits as its factorization.

123520301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87630.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 123520301 is about 11113.9687330854. The cubic root of 123520301 is about 498.0192314740.

Adding to 123520301 its reverse (103025321), we get a palindrome (226545622).

The spelling of 123520301 in words is "one hundred twenty-three million, five hundred twenty thousand, three hundred one".