23225047 has 2 divisors, whose sum is σ = 23225048. Its totient is φ = 23225046.

The previous prime is 23225021. The next prime is 23225053. The reversal of 23225047 is 74052232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23225047 - 2⁷ = 23224919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23225017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11612523 + 11612524.

It is an arithmetic number, because the mean of its divisors is an integer number (11612524).

Almost surely, 2^23225047 is an apocalyptic number.

23225047 is a deficient number, since it is larger than the sum of its proper divisors (1).

23225047 is an equidigital number, since it uses as much as digits as its factorization.

23225047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 23225047 is about 4819.2371803015. The cubic root of 23225047 is about 285.3112307403.

Adding to 23225047 its reverse (74052232), we get a palindrome (97277279).

The spelling of 23225047 in words is "twenty-three million, two hundred twenty-five thousand, forty-seven".