23215300547 has 2 divisors, whose sum is σ = 23215300548. Its totient is φ = 23215300546.

The previous prime is 23215300523. The next prime is 23215300579. The reversal of 23215300547 is 74500351232.

It is an a-pointer prime, because the next prime (23215300579) can be obtained adding 23215300547 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23215300547 - 2⁸ = 23215300291 is a prime.

It is not a weakly prime, because it can be changed into another prime (23215300247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11607650273 + 11607650274.

It is an arithmetic number, because the mean of its divisors is an integer number (11607650274).

Almost surely, 2^23215300547 is an apocalyptic number.

23215300547 is a deficient number, since it is larger than the sum of its proper divisors (1).

23215300547 is an equidigital number, since it uses as much as digits as its factorization.

23215300547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 32.

Adding to 23215300547 its reverse (74500351232), we get a palindrome (97715651779).

The spelling of 23215300547 in words is "twenty-three billion, two hundred fifteen million, three hundred thousand, five hundred forty-seven".