23978927 has 8 divisors (see below), whose sum is σ = 27434400. Its totient is φ = 20530944.

The previous prime is 23978921. The next prime is 23978953. The reversal of 23978927 is 72987932.

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

It is not a de Polignac number, because 23978927 - 2¹⁸ = 23716783 is a prime.

It is a super-3 number, since 3×23978927³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23978921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10199 + ... + 12327.

It is an arithmetic number, because the mean of its divisors is an integer number (3429300).

Almost surely, 2^23978927 is an apocalyptic number.

23978927 is a deficient number, since it is larger than the sum of its proper divisors (3455473).

23978927 is a wasteful number, since it uses less digits than its factorization.

23978927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3745.

The product of its digits is 381024, while the sum is 47.

The square root of 23978927 is about 4896.8282591898. The cubic root of 23978927 is about 288.3654656592.

The spelling of 23978927 in words is "twenty-three million, nine hundred seventy-eight thousand, nine hundred twenty-seven".