23616397 has 8 divisors (see below), whose sum is σ = 27719936. Its totient is φ = 19695312.

The previous prime is 23616391. The next prime is 23616401. The reversal of 23616397 is 79361632.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23616397 - 2⁷ = 23616269 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23616391) 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 7 ways as a sum of consecutive naturals, for example, 45333 + ... + 45850.

It is an arithmetic number, because the mean of its divisors is an integer number (3464992).

Almost surely, 2^23616397 is an apocalyptic number.

It is an amenable number.

23616397 is a deficient number, since it is larger than the sum of its proper divisors (4103539).

23616397 is an equidigital number, since it uses as much as digits as its factorization.

23616397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91227.

The product of its digits is 40824, while the sum is 37.

The square root of 23616397 is about 4859.6704620787. The cubic root of 23616397 is about 286.9048436699.

The spelling of 23616397 in words is "twenty-three million, six hundred sixteen thousand, three hundred ninety-seven".