23927047 has 2 divisors, whose sum is σ = 23927048. Its totient is φ = 23927046.

The previous prime is 23927039. The next prime is 23927051. The reversal of 23927047 is 74072932.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23927047 - 2³ = 23927039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23921047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11963523 + 11963524.

It is an arithmetic number, because the mean of its divisors is an integer number (11963524).

Almost surely, 2^23927047 is an apocalyptic number.

23927047 is a deficient number, since it is larger than the sum of its proper divisors (1).

23927047 is an equidigital number, since it uses as much as digits as its factorization.

23927047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 23927047 is about 4891.5280843516. The cubic root of 23927047 is about 288.1573495548.

Adding to 23927047 its reverse (74072932), we get a palindrome (97999979).

The spelling of 23927047 in words is "twenty-three million, nine hundred twenty-seven thousand, forty-seven".