23567213 has 4 divisors (see below), whose sum is σ = 23591580. Its totient is φ = 23542848.

The previous prime is 23567197. The next prime is 23567233. The reversal of 23567213 is 31276532.

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 13410244 + 10156969 = 3662^2 + 3187^2 .

It is a cyclic number.

It is not a de Polignac number, because 23567213 - 2⁴ = 23567197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23567233) 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, 10670 + ... + 12687.

It is an arithmetic number, because the mean of its divisors is an integer number (5897895).

Almost surely, 2^23567213 is an apocalyptic number.

It is an amenable number.

23567213 is a deficient number, since it is larger than the sum of its proper divisors (24367).

23567213 is a wasteful number, since it uses less digits than its factorization.

23567213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24366.

The product of its digits is 7560, while the sum is 29.

The square root of 23567213 is about 4854.6073991622. The cubic root of 23567213 is about 286.7055339103.

The spelling of 23567213 in words is "twenty-three million, five hundred sixty-seven thousand, two hundred thirteen".