24423140 has 48 divisors (see below), whose sum is σ = 59993472. Its totient is φ = 8176896.

The previous prime is 24423137. The next prime is 24423143. The reversal of 24423140 is 4132442.

It is an interprime number because it is at equal distance from previous prime (24423137) and next prime (24423143).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (24423143) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3992 + ... + 8048.

It is an arithmetic number, because the mean of its divisors is an integer number (1249864).

Almost surely, 2^24423140 is an apocalyptic number.

24423140 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 24423140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29996736).

24423140 is an abundant number, since it is smaller than the sum of its proper divisors (35570332).

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

24423140 is a wasteful number, since it uses less digits than its factorization.

24423140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4116 (or 4114 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 24423140 is about 4941.9773370585. The cubic root of 24423140 is about 290.1352520116.

Adding to 24423140 its reverse (4132442), we get a palindrome (28555582).

The spelling of 24423140 in words is "twenty-four million, four hundred twenty-three thousand, one hundred forty".