23978327 has 2 divisors, whose sum is σ = 23978328. Its totient is φ = 23978326.

The previous prime is 23978299. The next prime is 23978329. The reversal of 23978327 is 72387932.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23978327 - 2¹⁴ = 23961943 is a prime.

Together with 23978329, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23978329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11989163 + 11989164.

It is an arithmetic number, because the mean of its divisors is an integer number (11989164).

Almost surely, 2^23978327 is an apocalyptic number.

23978327 is a deficient number, since it is larger than the sum of its proper divisors (1).

23978327 is an equidigital number, since it uses as much as digits as its factorization.

23978327 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 127008, while the sum is 41.

The square root of 23978327 is about 4896.7669946609. The cubic root of 23978327 is about 288.3630604817.

The spelling of 23978327 in words is "twenty-three million, nine hundred seventy-eight thousand, three hundred twenty-seven".