23635340 has 12 divisors (see below), whose sum is σ = 49634256. Its totient is φ = 9454128.

The previous prime is 23635331. The next prime is 23635349. The reversal of 23635340 is 4353632.

It is an interprime number because it is at equal distance from previous prime (23635331) and next prime (23635349).

It is not an unprimeable number, because it can be changed into a prime (23635349) 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 3 ways as a sum of consecutive naturals, for example, 590864 + ... + 590903.

It is an arithmetic number, because the mean of its divisors is an integer number (4136188).

Almost surely, 2^23635340 is an apocalyptic number.

23635340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23635340 is an abundant number, since it is smaller than the sum of its proper divisors (25998916).

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

23635340 is a wasteful number, since it uses less digits than its factorization.

23635340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1181776 (or 1181774 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 26.

The square root of 23635340 is about 4861.6190718731. The cubic root of 23635340 is about 286.9815331269.

Adding to 23635340 its reverse (4353632), we get a palindrome (27988972).

The spelling of 23635340 in words is "twenty-three million, six hundred thirty-five thousand, three hundred forty".