23678387 has 2 divisors, whose sum is σ = 23678388. Its totient is φ = 23678386.

The previous prime is 23678357. The next prime is 23678393. The reversal of 23678387 is 78387632.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23678387 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (23678357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11839193 + 11839194.

It is an arithmetic number, because the mean of its divisors is an integer number (11839194).

Almost surely, 2^23678387 is an apocalyptic number.

23678387 is a deficient number, since it is larger than the sum of its proper divisors (1).

23678387 is an equidigital number, since it uses as much as digits as its factorization.

23678387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 338688, while the sum is 44.

The square root of 23678387 is about 4866.0442866871. The cubic root of 23678387 is about 287.1556537688.

The spelling of 23678387 in words is "twenty-three million, six hundred seventy-eight thousand, three hundred eighty-seven".