23312447 has 2 divisors, whose sum is σ = 23312448. Its totient is φ = 23312446.

The previous prime is 23312441. The next prime is 23312453. The reversal of 23312447 is 74421332.

It is a balanced prime because it is at equal distance from previous prime (23312441) and next prime (23312453).

It is a cyclic number.

It is not a de Polignac number, because 23312447 - 2¹⁶ = 23246911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23312441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11656223 + 11656224.

It is an arithmetic number, because the mean of its divisors is an integer number (11656224).

Almost surely, 2^23312447 is an apocalyptic number.

23312447 is a deficient number, since it is larger than the sum of its proper divisors (1).

23312447 is an equidigital number, since it uses as much as digits as its factorization.

23312447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 26.

The square root of 23312447 is about 4828.2964904819. The cubic root of 23312447 is about 285.6686751121.

Adding to 23312447 its reverse (74421332), we get a palindrome (97733779).

The spelling of 23312447 in words is "twenty-three million, three hundred twelve thousand, four hundred forty-seven".