23217364 has 6 divisors (see below), whose sum is σ = 40630394. Its totient is φ = 11608680.

The previous prime is 23217361. The next prime is 23217391. The reversal of 23217364 is 46371232.

It can be written as a sum of positive squares in only one way, i.e., 18421264 + 4796100 = 4292^2 + 2190^2 .

It is a super-2 number, since 2×23217364² = 1078091982216992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23217361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2902167 + ... + 2902174.

Almost surely, 2^23217364 is an apocalyptic number.

It is an amenable number.

23217364 is a deficient number, since it is larger than the sum of its proper divisors (17413030).

23217364 is a wasteful number, since it uses less digits than its factorization.

23217364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5804345 (or 5804343 counting only the distinct ones).

The product of its digits is 6048, while the sum is 28.

The square root of 23217364 is about 4818.4399965134. The cubic root of 23217364 is about 285.2797663197.

Adding to 23217364 its reverse (46371232), we get a palindrome (69588596).

The spelling of 23217364 in words is "twenty-three million, two hundred seventeen thousand, three hundred sixty-four".