23002128906487 has 2 divisors, whose sum is σ = 23002128906488. Its totient is φ = 23002128906486.

The previous prime is 23002128906451. The next prime is 23002128906509. The reversal of 23002128906487 is 78460982120032.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23002128906487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23002128904487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11501064453243 + 11501064453244.

It is an arithmetic number, because the mean of its divisors is an integer number (11501064453244).

Almost surely, 2^{23002128906487} is an apocalyptic number.

23002128906487 is a deficient number, since it is larger than the sum of its proper divisors (1).

23002128906487 is an equidigital number, since it uses as much as digits as its factorization.

23002128906487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2322432, while the sum is 52.

The spelling of 23002128906487 in words is "twenty-three trillion, two billion, one hundred twenty-eight million, nine hundred six thousand, four hundred eighty-seven".