23097636 has 63 divisors (see below), whose sum is σ = 61292161. Its totient is φ = 7612704.

The previous prime is 23097631. The next prime is 23097667. The reversal of 23097636 is 63679032.

The square root of 23097636 is 4806.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 4435236 + 18662400 = 2106^2 + 4320^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23097636.

It is not an unprimeable number, because it can be changed into a prime (23097631) by changing a digit.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 259480 + ... + 259568.

Almost surely, 2^23097636 is an apocalyptic number.

23097636 is the 4806-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23097636

23097636 is an abundant number, since it is smaller than the sum of its proper divisors (38194525).

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

23097636 is an frugal number, since it uses more digits than its factorization.

23097636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 36.

The cubic root of 23097636 is about 284.7885412056.

Multiplying 23097636 by its sum of digits (36), we get a square (831514896 = 28836²).

23097636 divided by its sum of digits (36) gives a square (641601 = 801²).

The spelling of 23097636 in words is "twenty-three million, ninety-seven thousand, six hundred thirty-six".