23397845 has 8 divisors (see below), whose sum is σ = 28299264. Its totient is φ = 18570384.

The previous prime is 23397841. The next prime is 23397859. The reversal of 23397845 is 54879332.

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

It is a cyclic number.

It is not a de Polignac number, because 23397845 - 2² = 23397841 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 (23397841) 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, 17789 + ... + 19058.

It is an arithmetic number, because the mean of its divisors is an integer number (3537408).

Almost surely, 2^23397845 is an apocalyptic number.

It is an amenable number.

23397845 is a deficient number, since it is larger than the sum of its proper divisors (4901419).

23397845 is a wasteful number, since it uses less digits than its factorization.

23397845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36979.

The product of its digits is 181440, while the sum is 41.

The square root of 23397845 is about 4837.1318981396. The cubic root of 23397845 is about 286.0170699056.

It can be divided in two parts, 23397 and 845, that added together give a palindrome (24242).

The spelling of 23397845 in words is "twenty-three million, three hundred ninety-seven thousand, eight hundred forty-five".