23410240 has 84 divisors (see below), whose sum is σ = 64890396. Its totient is φ = 8020992.

The previous prime is 23410237. The next prime is 23410267. The reversal of 23410240 is 4201432.

It can be written as a sum of positive squares in 2 ways, for example, as 14930496 + 8479744 = 3864^2 + 2912^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14934 + ... + 16426.

Almost surely, 2^23410240 is an apocalyptic number.

23410240 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 23410240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32445198).

23410240 is an abundant number, since it is smaller than the sum of its proper divisors (41480156).

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

23410240 is a wasteful number, since it uses less digits than its factorization.

23410240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1524 (or 1507 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 23410240 is about 4838.4129629456. The cubic root of 23410240 is about 286.0675668031.

Adding to 23410240 its reverse (4201432), we get a palindrome (27611672).

The spelling of 23410240 in words is "twenty-three million, four hundred ten thousand, two hundred forty".