23616340 has 24 divisors (see below), whose sum is σ = 54103392. Its totient is φ = 8587680.

The previous prime is 23616311. The next prime is 23616347. The reversal of 23616340 is 4361632.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23616347) 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, 53454 + ... + 53893.

It is an arithmetic number, because the mean of its divisors is an integer number (2254308).

Almost surely, 2^23616340 is an apocalyptic number.

23616340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23616340 is an abundant number, since it is smaller than the sum of its proper divisors (30487052).

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

23616340 is a wasteful number, since it uses less digits than its factorization.

23616340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107367 (or 107365 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 23616340 is about 4859.6645974800. The cubic root of 23616340 is about 286.9046128474.

Adding to 23616340 its reverse (4361632), we get a palindrome (27977972).

The spelling of 23616340 in words is "twenty-three million, six hundred sixteen thousand, three hundred forty".