23640295 has 24 divisors (see below), whose sum is σ = 33718464. Its totient is φ = 15857856.

The previous prime is 23640293. The next prime is 23640311. The reversal of 23640295 is 59204632.

It is not a de Polignac number, because 23640295 - 2¹ = 23640293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23640293) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10489 + ... + 12541.

It is an arithmetic number, because the mean of its divisors is an integer number (1404936).

Almost surely, 2^23640295 is an apocalyptic number.

23640295 is a deficient number, since it is larger than the sum of its proper divisors (10078169).

23640295 is a wasteful number, since it uses less digits than its factorization.

23640295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2119 (or 2112 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 23640295 is about 4862.1286490590. The cubic root of 23640295 is about 287.0015863486.

The spelling of 23640295 in words is "twenty-three million, six hundred forty thousand, two hundred ninety-five".