23213241 has 6 divisors (see below), whose sum is σ = 33530250. Its totient is φ = 15475488.

The previous prime is 23213227. The next prime is 23213243. The reversal of 23213241 is 14231232.

It can be written as a sum of positive squares in only one way, i.e., 15210000 + 8003241 = 3900^2 + 2829^2 .

It is not a de Polignac number, because 23213241 - 2⁵ = 23213209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23213243) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1289616 + ... + 1289633.

It is an arithmetic number, because the mean of its divisors is an integer number (5588375).

Almost surely, 2^23213241 is an apocalyptic number.

It is an amenable number.

23213241 is a deficient number, since it is larger than the sum of its proper divisors (10317009).

23213241 is a wasteful number, since it uses less digits than its factorization.

23213241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2579255 (or 2579252 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 23213241 is about 4818.0121419523. The cubic root of 23213241 is about 285.2628784119.

Adding to 23213241 its reverse (14231232), we get a palindrome (37444473).

Subtracting from 23213241 its reverse (14231232), we obtain a square (8982009 = 2997²).

The spelling of 23213241 in words is "twenty-three million, two hundred thirteen thousand, two hundred forty-one".