23323516550 has 24 divisors (see below), whose sum is σ = 44200269216. Its totient is φ = 9153379040.

The previous prime is 23323516549. The next prime is 23323516553. The reversal of 23323516550 is 5561532332.

It is a self number, because there is not a number n which added to its sum of digits gives 23323516550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23323516553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4398014 + ... + 4403313.

It is an arithmetic number, because the mean of its divisors is an integer number (1841677884).

Almost surely, 2^23323516550 is an apocalyptic number.

23323516550 is a deficient number, since it is larger than the sum of its proper divisors (20876752666).

23323516550 is a wasteful number, since it uses less digits than its factorization.

23323516550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8801392 (or 8801387 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 35.

The spelling of 23323516550 in words is "twenty-three billion, three hundred twenty-three million, five hundred sixteen thousand, five hundred fifty".