23041213 has 4 divisors (see below), whose sum is σ = 24813628. Its totient is φ = 21268800.

The previous prime is 23041201. The next prime is 23041223. The reversal of 23041213 is 31214032.

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 1530169 + 21511044 = 1237^2 + 4638^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23041213 is a prime.

It is a super-2 number, since 2×23041213² = 1061794993022738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23041223) 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, 886188 + ... + 886213.

It is an arithmetic number, because the mean of its divisors is an integer number (6203407).

Almost surely, 2^23041213 is an apocalyptic number.

It is an amenable number.

23041213 is a deficient number, since it is larger than the sum of its proper divisors (1772415).

23041213 is a wasteful number, since it uses less digits than its factorization.

23041213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1772414.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 23041213 is about 4800.1263525037. The cubic root of 23041213 is about 284.5564579192.

Adding to 23041213 its reverse (31214032), we get a palindrome (54255245).

The spelling of 23041213 in words is "twenty-three million, forty-one thousand, two hundred thirteen".