23688450 has 60 divisors (see below), whose sum is σ = 65830050. Its totient is φ = 6315840.

The previous prime is 23688443. The next prime is 23688451. The reversal of 23688450 is 5488632.

It can be written as a sum of positive squares in 3 ways, for example, as 15752961 + 7935489 = 3969^2 + 2817^2 .

It is a super-2 number, since 2×23688450² = 1122285326805000, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (23688451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1126 + ... + 6974.

Almost surely, 2^23688450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23688450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32915025).

23688450 is an abundant number, since it is smaller than the sum of its proper divisors (42141600).

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

23688450 is a wasteful number, since it uses less digits than its factorization.

23688450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5873 (or 5859 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 23688450 is about 4867.0781789488. The cubic root of 23688450 is about 287.1963271205.

The spelling of 23688450 in words is "twenty-three million, six hundred eighty-eight thousand, four hundred fifty".