103855243 has 2 divisors, whose sum is σ = 103855244. Its totient is φ = 103855242.

The previous prime is 103855231. The next prime is 103855259. The reversal of 103855243 is 342558301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103855243 - 2⁵ = 103855211 is a prime.

It is a super-2 number, since 2×103855243² = 21571822997178098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (103855043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51927621 + 51927622.

It is an arithmetic number, because the mean of its divisors is an integer number (51927622).

Almost surely, 2^103855243 is an apocalyptic number.

103855243 is a deficient number, since it is larger than the sum of its proper divisors (1).

103855243 is an equidigital number, since it uses as much as digits as its factorization.

103855243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 103855243 is about 10190.9392599505. The cubic root of 103855243 is about 470.0486489555.

The spelling of 103855243 in words is "one hundred three million, eight hundred fifty-five thousand, two hundred forty-three".