23414440 has 64 divisors (see below), whose sum is σ = 63763200. Its totient is φ = 7554048.

The previous prime is 23414431. The next prime is 23414467. The reversal of 23414440 is 4441432.

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, 2301 + ... + 7219.

It is an arithmetic number, because the mean of its divisors is an integer number (996300).

Almost surely, 2^23414440 is an apocalyptic number.

23414440 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 23414440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31881600).

23414440 is an abundant number, since it is smaller than the sum of its proper divisors (40348760).

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

23414440 is a wasteful number, since it uses less digits than its factorization.

23414440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4954 (or 4950 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 23414440 is about 4838.8469700953. The cubic root of 23414440 is about 286.0846734473.

Adding to 23414440 its reverse (4441432), we get a palindrome (27855872).

The spelling of 23414440 in words is "twenty-three million, four hundred fourteen thousand, four hundred forty".