23390201 has 4 divisors (see below), whose sum is σ = 23604900. Its totient is φ = 23175504.

The previous prime is 23390183. The next prime is 23390221. The reversal of 23390201 is 10209332.

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 10394176 + 12996025 = 3224^2 + 3605^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23390201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23390221) 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, 107186 + ... + 107403.

It is an arithmetic number, because the mean of its divisors is an integer number (5901225).

Almost surely, 2^23390201 is an apocalyptic number.

It is an amenable number.

23390201 is a deficient number, since it is larger than the sum of its proper divisors (214699).

23390201 is a wasteful number, since it uses less digits than its factorization.

23390201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214698.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 23390201 is about 4836.3416959516. The cubic root of 23390201 is about 285.9859195637.

Adding to 23390201 its reverse (10209332), we get a palindrome (33599533).

The spelling of 23390201 in words is "twenty-three million, three hundred ninety thousand, two hundred one".