23273505 has 12 divisors (see below), whose sum is σ = 40340820. Its totient is φ = 12412512.

The previous prime is 23273491. The next prime is 23273533. The reversal of 23273505 is 50537232.

It can be written as a sum of positive squares in 2 ways, for example, as 14470416 + 8803089 = 3804^2 + 2967^2 .

It is not a de Polignac number, because 23273505 - 2⁴ = 23273489 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 258550 + ... + 258639.

It is an arithmetic number, because the mean of its divisors is an integer number (3361735).

Almost surely, 2^23273505 is an apocalyptic number.

It is an amenable number.

23273505 is a deficient number, since it is larger than the sum of its proper divisors (17067315).

23273505 is a wasteful number, since it uses less digits than its factorization.

23273505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517200 (or 517197 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 27.

The square root of 23273505 is about 4824.2621197443. The cubic root of 23273505 is about 285.5095225134.

It can be divided in two parts, 2327 and 3505, that added together give a cube (5832 = 18³).

The spelling of 23273505 in words is "twenty-three million, two hundred seventy-three thousand, five hundred five".