23173810464547 has 2 divisors, whose sum is σ = 23173810464548. Its totient is φ = 23173810464546.

The previous prime is 23173810464439. The next prime is 23173810464577. The reversal of 23173810464547 is 74546401837132.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23173810464547 is a prime.

It is not a weakly prime, because it can be changed into another prime (23173810464577) 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, 11586905232273 + 11586905232274.

It is an arithmetic number, because the mean of its divisors is an integer number (11586905232274).

Almost surely, 2^{23173810464547} is an apocalyptic number.

23173810464547 is a deficient number, since it is larger than the sum of its proper divisors (1).

23173810464547 is an equidigital number, since it uses as much as digits as its factorization.

23173810464547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13547520, while the sum is 55.

The spelling of 23173810464547 in words is "twenty-three trillion, one hundred seventy-three billion, eight hundred ten million, four hundred sixty-four thousand, five hundred forty-seven".