23145166325 has 6 divisors (see below), whose sum is σ = 28700006274. Its totient is φ = 18516133040.

The previous prime is 23145166321. The next prime is 23145166327. The reversal of 23145166325 is 52366154132.

It can be written as a sum of positive squares in 3 ways, for example, as 1267502404 + 21877663921 = 35602^2 + 147911^2 .

It is not a de Polignac number, because 23145166325 - 2² = 23145166321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23145166321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 462903302 + ... + 462903351.

It is an arithmetic number, because the mean of its divisors is an integer number (4783334379).

Almost surely, 2^23145166325 is an apocalyptic number.

23145166325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23145166325 is a deficient number, since it is larger than the sum of its proper divisors (5554839949).

23145166325 is an equidigital number, since it uses as much as digits as its factorization.

23145166325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925806663 (or 925806658 counting only the distinct ones).

The product of its digits is 129600, while the sum is 38.

The spelling of 23145166325 in words is "twenty-three billion, one hundred forty-five million, one hundred sixty-six thousand, three hundred twenty-five".