23426550 has 192 divisors, whose sum is σ = 76899840. Its totient is φ = 5132160.

The previous prime is 23426549. The next prime is 23426569. The reversal of 23426550 is 5562432.

23426550 is a `hidden beast` number, since 2 + 3 + 4 + 2 + 655 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 349617 + ... + 349683.

It is an arithmetic number, because the mean of its divisors is an integer number (400520).

Almost surely, 2^23426550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23426550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38449920).

23426550 is an abundant number, since it is smaller than the sum of its proper divisors (53473290).

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

23426550 is a wasteful number, since it uses less digits than its factorization.

23426550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132 (or 121 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 23426550 is about 4840.0981395009. The cubic root of 23426550 is about 286.1339861547.

Adding to 23426550 its reverse (5562432), we get a palindrome (28988982).

The spelling of 23426550 in words is "twenty-three million, four hundred twenty-six thousand, five hundred fifty".