103556423617 has 2 divisors, whose sum is σ = 103556423618. Its totient is φ = 103556423616.

The previous prime is 103556423599. The next prime is 103556423647. The reversal of 103556423617 is 716324655301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94494145201 + 9062278416 = 307399^2 + 95196^2 .

It is a cyclic number.

It is not a de Polignac number, because 103556423617 - 2¹¹ = 103556421569 is a prime.

It is a super-3 number, since 3×103556423617³ (a number of 34 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (103556423647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51778211808 + 51778211809.

It is an arithmetic number, because the mean of its divisors is an integer number (51778211809).

Almost surely, 2^103556423617 is an apocalyptic number.

It is an amenable number.

103556423617 is a deficient number, since it is larger than the sum of its proper divisors (1).

103556423617 is an equidigital number, since it uses as much as digits as its factorization.

103556423617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 453600, while the sum is 43.

The spelling of 103556423617 in words is "one hundred three billion, five hundred fifty-six million, four hundred twenty-three thousand, six hundred seventeen".