123365201 has 4 divisors (see below), whose sum is σ = 123390900. Its totient is φ = 123339504.

The previous prime is 123365197. The next prime is 123365251. The reversal of 123365201 is 102563321.

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 5664400 + 117700801 = 2380^2 + 10849^2 .

It is a cyclic number.

It is not a de Polignac number, because 123365201 - 2² = 123365197 is a prime.

It is a super-3 number, since 3×123365201³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (123365251) 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, 3266 + ... + 16043.

It is an arithmetic number, because the mean of its divisors is an integer number (30847725).

Almost surely, 2^123365201 is an apocalyptic number.

It is an amenable number.

123365201 is a deficient number, since it is larger than the sum of its proper divisors (25699).

123365201 is an equidigital number, since it uses as much as digits as its factorization.

123365201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25698.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 123365201 is about 11106.9888358637. The cubic root of 123365201 is about 497.8106958863.

The spelling of 123365201 in words is "one hundred twenty-three million, three hundred sixty-five thousand, two hundred one".