23187528747611 has 2 divisors, whose sum is σ = 23187528747612. Its totient is φ = 23187528747610.

The previous prime is 23187528747599. The next prime is 23187528747707. The reversal of 23187528747611 is 11674782578132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23187528747611 - 2⁶ = 23187528747547 is a prime.

It is a super-2 number, since 2×23187528747611² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23187528747311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11593764373805 + 11593764373806.

It is an arithmetic number, because the mean of its divisors is an integer number (11593764373806).

Almost surely, 2^{23187528747611} is an apocalyptic number.

23187528747611 is a deficient number, since it is larger than the sum of its proper divisors (1).

23187528747611 is an equidigital number, since it uses as much as digits as its factorization.

23187528747611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31610880, while the sum is 62.

The spelling of 23187528747611 in words is "twenty-three trillion, one hundred eighty-seven billion, five hundred twenty-eight million, seven hundred forty-seven thousand, six hundred eleven".