871621223103 has 6 divisors (see below), whose sum is σ = 1259008433384. Its totient is φ = 581080815396.

The previous prime is 871621223089. The next prime is 871621223111. The reversal of 871621223103 is 301322126178.

871621223103 is a `hidden beast` number, since 8 + 7 + 1 + 621 + 2 + 23 + 1 + 0 + 3 = 666.

It is not a de Polignac number, because 871621223103 - 2¹⁴ = 871621206719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (871621223173) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 48423401275 + ... + 48423401292.

Almost surely, 2^871621223103 is an apocalyptic number.

871621223103 is a deficient number, since it is larger than the sum of its proper divisors (387387210281).

871621223103 is a wasteful number, since it uses less digits than its factorization.

871621223103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96846802573 (or 96846802570 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 871621223103 in words is "eight hundred seventy-one billion, six hundred twenty-one million, two hundred twenty-three thousand, one hundred three".