23145018332473 has 2 divisors, whose sum is σ = 23145018332474. Its totient is φ = 23145018332472.

The previous prime is 23145018332437. The next prime is 23145018332509. The reversal of 23145018332473 is 37423381054132.

Together with previous prime (23145018332437) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (23145018332437) and next prime (23145018332509).

It can be written as a sum of positive squares in only one way, i.e., 21680598875049 + 1464419457424 = 4656243^2 + 1210132^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23145018332473 is a prime.

It is a super-2 number, since 2×23145018332473² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23145018335473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11572509166236 + 11572509166237.

It is an arithmetic number, because the mean of its divisors is an integer number (11572509166237).

Almost surely, 2^{23145018332473} is an apocalyptic number.

It is an amenable number.

23145018332473 is a deficient number, since it is larger than the sum of its proper divisors (1).

23145018332473 is an equidigital number, since it uses as much as digits as its factorization.

23145018332473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1451520, while the sum is 46.

The spelling of 23145018332473 in words is "twenty-three trillion, one hundred forty-five billion, eighteen million, three hundred thirty-two thousand, four hundred seventy-three".