23536145 has 16 divisors (see below), whose sum is σ = 28885248. Its totient is φ = 18406080.

The previous prime is 23536141. The next prime is 23536159. The reversal of 23536145 is 54163532.

It is not a de Polignac number, because 23536145 - 2² = 23536141 is a prime.

It is a super-2 number, since 2×23536145² = 1107900242922050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23536141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59087 + ... + 59483.

It is an arithmetic number, because the mean of its divisors is an integer number (1805328).

Almost surely, 2^23536145 is an apocalyptic number.

It is an amenable number.

23536145 is a deficient number, since it is larger than the sum of its proper divisors (5349103).

23536145 is a wasteful number, since it uses less digits than its factorization.

23536145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640.

The product of its digits is 10800, while the sum is 29.

The square root of 23536145 is about 4851.4064970893. The cubic root of 23536145 is about 286.5794932042.

Adding to 23536145 its reverse (54163532), we get a palindrome (77699677).

The spelling of 23536145 in words is "twenty-three million, five hundred thirty-six thousand, one hundred forty-five".