23905065 has 16 divisors (see below), whose sum is σ = 38321856. Its totient is φ = 12724800.

The previous prime is 23905051. The next prime is 23905103. The reversal of 23905065 is 56050932.

It is not a de Polignac number, because 23905065 - 2⁶ = 23905001 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8710 + ... + 11120.

It is an arithmetic number, because the mean of its divisors is an integer number (2395116).

Almost surely, 2^23905065 is an apocalyptic number.

It is an amenable number.

23905065 is a deficient number, since it is larger than the sum of its proper divisors (14416791).

23905065 is a wasteful number, since it uses less digits than its factorization.

23905065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3080.

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 23905065 is about 4889.2806219320. The cubic root of 23905065 is about 288.0690782409.

Adding to 23905065 its reverse (56050932), we get a palindrome (79955997).

The spelling of 23905065 in words is "twenty-three million, nine hundred five thousand, sixty-five".