23243550 has 48 divisors (see below), whose sum is σ = 62888832. Its totient is φ = 5634400.

The previous prime is 23243543. The next prime is 23243599. The reversal of 23243550 is 5534232.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23243550.

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 23 ways as a sum of consecutive naturals, for example, 5394 + ... + 8693.

It is an arithmetic number, because the mean of its divisors is an integer number (1310184).

Almost surely, 2^23243550 is an apocalyptic number.

23243550 is an abundant number, since it is smaller than the sum of its proper divisors (39645282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23243550 is a wasteful number, since it uses less digits than its factorization.

23243550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14113 (or 14108 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 23243550 is about 4821.1565002601. The cubic root of 23243550 is about 285.3869781636.

Adding to 23243550 its reverse (5534232), we get a palindrome (28777782).

The spelling of 23243550 in words is "twenty-three million, two hundred forty-three thousand, five hundred fifty".