23213201 has 4 divisors (see below), whose sum is σ = 25323504. Its totient is φ = 21102900.

The previous prime is 23213189. The next prime is 23213209. The reversal of 23213201 is 10231232.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 23213201 - 2¹⁰ = 23212177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23213209) 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, 1055135 + ... + 1055156.

It is an arithmetic number, because the mean of its divisors is an integer number (6330876).

Almost surely, 2^23213201 is an apocalyptic number.

It is an amenable number.

23213201 is a deficient number, since it is larger than the sum of its proper divisors (2110303).

23213201 is a wasteful number, since it uses less digits than its factorization.

23213201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2110302.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 23213201 is about 4818.0079908610. The cubic root of 23213201 is about 285.2627145611.

Adding to 23213201 its reverse (10231232), we get a palindrome (33444433).

The spelling of 23213201 in words is "twenty-three million, two hundred thirteen thousand, two hundred one".