23535530 has 16 divisors (see below), whose sum is σ = 43825320. Its totient is φ = 9089472.

The previous prime is 23535529. The next prime is 23535553. The reversal of 23535530 is 3553532.

It can be written as a sum of positive squares in 4 ways, for example, as 17547721 + 5987809 = 4189^2 + 2447^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23535530.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40289 + ... + 40868.

Almost surely, 2^23535530 is an apocalyptic number.

23535530 is a deficient number, since it is larger than the sum of its proper divisors (20289790).

23535530 is a wasteful number, since it uses less digits than its factorization.

23535530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81193.

The product of its (nonzero) digits is 6750, while the sum is 26.

The square root of 23535530 is about 4851.3431129946. The cubic root of 23535530 is about 286.5769970729.

The spelling of 23535530 in words is "twenty-three million, five hundred thirty-five thousand, five hundred thirty".