23220304351025 has 12 divisors (see below), whose sum is σ = 28793425657500. Its totient is φ = 18576083311680.

The previous prime is 23220304351021. The next prime is 23220304351063. The reversal of 23220304351025 is 52015340302232.

It can be written as a sum of positive squares in 6 ways, for example, as 46006818064 + 23174297532961 = 214492^2 + 4813969^2 .

It is not a de Polignac number, because 23220304351025 - 2² = 23220304351021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23220304350982 and 23220304351000.

It is not an unprimeable number, because it can be changed into a prime (23220304351021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1002650 + ... + 6888099.

It is an arithmetic number, because the mean of its divisors is an integer number (2399452138125).

Almost surely, 2^{23220304351025} is an apocalyptic number.

23220304351025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23220304351025 is a deficient number, since it is larger than the sum of its proper divisors (5573121306475).

23220304351025 is a wasteful number, since it uses less digits than its factorization.

23220304351025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8008468 (or 8008463 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 23220304351025 its reverse (52015340302232), we get a palindrome (75235644653257).

The spelling of 23220304351025 in words is "twenty-three trillion, two hundred twenty billion, three hundred four million, three hundred fifty-one thousand, twenty-five".