23236397 has 4 divisors (see below), whose sum is σ = 23246496. Its totient is φ = 23226300.

The previous prime is 23236393. The next prime is 23236403. The reversal of 23236397 is 79363232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 23236397 - 2² = 23236393 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23236393) 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, 272 + ... + 6822.

It is an arithmetic number, because the mean of its divisors is an integer number (5811624).

Almost surely, 2^23236397 is an apocalyptic number.

It is an amenable number.

23236397 is a deficient number, since it is larger than the sum of its proper divisors (10099).

23236397 is an equidigital number, since it uses as much as digits as its factorization.

23236397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10098.

The product of its digits is 40824, while the sum is 35.

The square root of 23236397 is about 4820.4146087240. The cubic root of 23236397 is about 285.3577000413.

The spelling of 23236397 in words is "twenty-three million, two hundred thirty-six thousand, three hundred ninety-seven".