23530427 has 2 divisors, whose sum is σ = 23530428. Its totient is φ = 23530426.

The previous prime is 23530421. The next prime is 23530447. The reversal of 23530427 is 72403532.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23530427 - 2⁴ = 23530411 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 23530396 and 23530405.

It is not a weakly prime, because it can be changed into another prime (23530421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11765213 + 11765214.

It is an arithmetic number, because the mean of its divisors is an integer number (11765214).

Almost surely, 2^23530427 is an apocalyptic number.

23530427 is a deficient number, since it is larger than the sum of its proper divisors (1).

23530427 is an equidigital number, since it uses as much as digits as its factorization.

23530427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 23530427 is about 4850.8171476567. The cubic root of 23530427 is about 286.5562835938.

Adding to 23530427 its reverse (72403532), we get a palindrome (95933959).

The spelling of 23530427 in words is "twenty-three million, five hundred thirty thousand, four hundred twenty-seven".