23835397 has 4 divisors (see below), whose sum is σ = 24009516. Its totient is φ = 23661280.

The previous prime is 23835389. The next prime is 23835401. The reversal of 23835397 is 79353832.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14508481 + 9326916 = 3809^2 + 3054^2 .

It is a cyclic number.

It is not a de Polignac number, because 23835397 - 2³ = 23835389 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23835997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86854 + ... + 87127.

It is an arithmetic number, because the mean of its divisors is an integer number (6002379).

Almost surely, 2^23835397 is an apocalyptic number.

It is an amenable number.

23835397 is a deficient number, since it is larger than the sum of its proper divisors (174119).

23835397 is a wasteful number, since it uses less digits than its factorization.

23835397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174118.

The product of its digits is 136080, while the sum is 40.

The square root of 23835397 is about 4882.1508579723. The cubic root of 23835397 is about 287.7889601366.

The spelling of 23835397 in words is "twenty-three million, eight hundred thirty-five thousand, three hundred ninety-seven".