23427397 has 8 divisors (see below), whose sum is σ = 26812800. Its totient is φ = 20051664.

The previous prime is 23427347. The next prime is 23427403. The reversal of 23427397 is 79372432.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23427397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23427347) 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, 3879 + ... + 7867.

It is an arithmetic number, because the mean of its divisors is an integer number (3351600).

Almost surely, 2^23427397 is an apocalyptic number.

It is an amenable number.

23427397 is a deficient number, since it is larger than the sum of its proper divisors (3385403).

23427397 is an equidigital number, since it uses as much as digits as its factorization.

23427397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4835.

The product of its digits is 63504, while the sum is 37.

The square root of 23427397 is about 4840.1856369358. The cubic root of 23427397 is about 286.1374345578.

The spelling of 23427397 in words is "twenty-three million, four hundred twenty-seven thousand, three hundred ninety-seven".