23223750 has 80 divisors (see below), whose sum is σ = 63429696. Its totient is φ = 5620000.

The previous prime is 23223731. The next prime is 23223763. The reversal of 23223750 is 5732232.

It is a self number, because there is not a number n which added to its sum of digits gives 23223750.

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 39 ways as a sum of consecutive naturals, for example, 40969 + ... + 41531.

Almost surely, 2^23223750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23223750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31714848).

23223750 is an abundant number, since it is smaller than the sum of its proper divisors (40205946).

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

23223750 is a wasteful number, since it uses less digits than its factorization.

23223750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599 (or 584 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 23223750 is about 4819.1026135578. The cubic root of 23223750 is about 285.3059195841.

Adding to 23223750 its reverse (5732232), we get a palindrome (28955982).

The spelling of 23223750 in words is "twenty-three million, two hundred twenty-three thousand, seven hundred fifty".