23102201 has 4 divisors (see below), whose sum is σ = 24461172. Its totient is φ = 21743232.

The previous prime is 23102141. The next prime is 23102213. The reversal of 23102201 is 10220132.

It is a happy number.

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 7507600 + 15594601 = 2740^2 + 3949^2 .

It is a cyclic number.

It is not a de Polignac number, because 23102201 - 2¹⁸ = 22840057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23102221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 679460 + ... + 679493.

It is an arithmetic number, because the mean of its divisors is an integer number (6115293).

Almost surely, 2^23102201 is an apocalyptic number.

It is an amenable number.

23102201 is a deficient number, since it is larger than the sum of its proper divisors (1358971).

23102201 is a wasteful number, since it uses less digits than its factorization.

23102201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358970.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 23102201 is about 4806.4749037106. The cubic root of 23102201 is about 284.8073017699.

Adding to 23102201 its reverse (10220132), we get a palindrome (33322333).

The spelling of 23102201 in words is "twenty-three million, one hundred two thousand, two hundred one".