13220123087 has 2 divisors, whose sum is σ = 13220123088. Its totient is φ = 13220123086.

The previous prime is 13220123047. The next prime is 13220123123. The reversal of 13220123087 is 78032102231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13220123087 - 2³⁰ = 12146381263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13220123017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6610061543 + 6610061544.

It is an arithmetic number, because the mean of its divisors is an integer number (6610061544).

Almost surely, 2^13220123087 is an apocalyptic number.

13220123087 is a deficient number, since it is larger than the sum of its proper divisors (1).

13220123087 is an equidigital number, since it uses as much as digits as its factorization.

13220123087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 29.

The spelling of 13220123087 in words is "thirteen billion, two hundred twenty million, one hundred twenty-three thousand, eighty-seven".