23935240 has 64 divisors (see below), whose sum is σ = 62444160. Its totient is φ = 8087040.

The previous prime is 23935229. The next prime is 23935253. The reversal of 23935240 is 4253932.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a plaindrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 23935199 and 23935208.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 19855 + ... + 21025.

It is an arithmetic number, because the mean of its divisors is an integer number (975690).

Almost surely, 2^23935240 is an apocalyptic number.

23935240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23935240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31222080).

23935240 is an abundant number, since it is smaller than the sum of its proper divisors (38508920).

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

23935240 is a wasteful number, since it uses less digits than its factorization.

23935240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262 (or 1258 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 23935240 is about 4892.3654810327. The cubic root of 23935240 is about 288.1902356823.

The spelling of 23935240 in words is "twenty-three million, nine hundred thirty-five thousand, two hundred forty".