23536340 has 24 divisors (see below), whose sum is σ = 49523712. Its totient is φ = 9396000.

The previous prime is 23536319. The next prime is 23536343. The reversal of 23536340 is 4363532.

It is a super-3 number, since 3×23536340³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23536343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14237 + ... + 15803.

It is an arithmetic number, because the mean of its divisors is an integer number (2063488).

Almost surely, 2^23536340 is an apocalyptic number.

23536340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23536340 is an abundant number, since it is smaller than the sum of its proper divisors (25987372).

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

23536340 is a wasteful number, since it uses less digits than its factorization.

23536340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2327 (or 2325 counting only the distinct ones).

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

The square root of 23536340 is about 4851.4265943122. The cubic root of 23536340 is about 286.5802846513.

Adding to 23536340 its reverse (4363532), we get a palindrome (27899872).

The spelling of 23536340 in words is "twenty-three million, five hundred thirty-six thousand, three hundred forty".