23236516 has 6 divisors (see below), whose sum is σ = 40663910. Its totient is φ = 11618256.

The previous prime is 23236513. The next prime is 23236537. The reversal of 23236516 is 61563232.

It can be written as a sum of positive squares in only one way, i.e., 12320100 + 10916416 = 3510^2 + 3304^2 .

It is not an unprimeable number, because it can be changed into a prime (23236513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2904561 + ... + 2904568.

Almost surely, 2^23236516 is an apocalyptic number.

It is an amenable number.

23236516 is a deficient number, since it is larger than the sum of its proper divisors (17427394).

23236516 is a wasteful number, since it uses less digits than its factorization.

23236516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5809133 (or 5809131 counting only the distinct ones).

The product of its digits is 6480, while the sum is 28.

The square root of 23236516 is about 4820.4269520448. The cubic root of 23236516 is about 285.3581871723.

Adding to 23236516 its reverse (61563232), we get a palindrome (84799748).

The spelling of 23236516 in words is "twenty-three million, two hundred thirty-six thousand, five hundred sixteen".