23117745501503 has 2 divisors, whose sum is σ = 23117745501504. Its totient is φ = 23117745501502.

The previous prime is 23117745501491. The next prime is 23117745501533. The reversal of 23117745501503 is 30510554771132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23117745501503 - 2²⁴ = 23117728724287 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23117745501533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11558872750751 + 11558872750752.

It is an arithmetic number, because the mean of its divisors is an integer number (11558872750752).

Almost surely, 2^{23117745501503} is an apocalyptic number.

23117745501503 is a deficient number, since it is larger than the sum of its proper divisors (1).

23117745501503 is an equidigital number, since it uses as much as digits as its factorization.

23117745501503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 441000, while the sum is 44.

The spelling of 23117745501503 in words is "twenty-three trillion, one hundred seventeen billion, seven hundred forty-five million, five hundred one thousand, five hundred three".