23162165 has 16 divisors (see below), whose sum is σ = 30632448. Its totient is φ = 16704576.

The previous prime is 23162107. The next prime is 23162189. The reversal of 23162165 is 56126132.

It is a cyclic number.

It is not a de Polignac number, because 23162165 - 2¹⁶ = 23096629 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1349 + ... + 6938.

It is an arithmetic number, because the mean of its divisors is an integer number (1914528).

Almost surely, 2^23162165 is an apocalyptic number.

It is an amenable number.

23162165 is a deficient number, since it is larger than the sum of its proper divisors (7470283).

23162165 is a wasteful number, since it uses less digits than its factorization.

23162165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8348.

The product of its digits is 2160, while the sum is 26.

The square root of 23162165 is about 4812.7086967736. The cubic root of 23162165 is about 285.0535038567.

Adding to 23162165 its reverse (56126132), we get a palindrome (79288297).

The spelling of 23162165 in words is "twenty-three million, one hundred sixty-two thousand, one hundred sixty-five".