23450550 has 48 divisors (see below), whose sum is σ = 58662912. Its totient is φ = 6199200.

The previous prime is 23450533. The next prime is 23450591. The reversal of 23450550 is 5505432.

It is a self number, because there is not a number n which added to its sum of digits gives 23450550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18435 + ... + 19665.

It is an arithmetic number, because the mean of its divisors is an integer number (1222144).

Almost surely, 2^23450550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23450550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29331456).

23450550 is an abundant number, since it is smaller than the sum of its proper divisors (35212362).

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

23450550 is a wasteful number, since it uses less digits than its factorization.

23450550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373 (or 1368 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 23450550 is about 4842.5767934025. The cubic root of 23450550 is about 286.2316655241.

Adding to 23450550 its reverse (5505432), we get a palindrome (28955982).

The spelling of 23450550 in words is "twenty-three million, four hundred fifty thousand, five hundred fifty".