103657943 has 2 divisors, whose sum is σ = 103657944. Its totient is φ = 103657942.

The previous prime is 103657933. The next prime is 103657949. The reversal of 103657943 is 349756301.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 103657943 - 2¹⁰ = 103656919 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 103657897 and 103657906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103657949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51828971 + 51828972.

It is an arithmetic number, because the mean of its divisors is an integer number (51828972).

Almost surely, 2^103657943 is an apocalyptic number.

103657943 is a deficient number, since it is larger than the sum of its proper divisors (1).

103657943 is an equidigital number, since it uses as much as digits as its factorization.

103657943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 103657943 is about 10181.2544904840. The cubic root of 103657943 is about 469.7508004435.

The spelling of 103657943 in words is "one hundred three million, six hundred fifty-seven thousand, nine hundred forty-three".