102303857 has 2 divisors, whose sum is σ = 102303858. Its totient is φ = 102303856.

The previous prime is 102303821. The next prime is 102303881. The reversal of 102303857 is 758303201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99820081 + 2483776 = 9991^2 + 1576^2 .

It is a cyclic number.

It is not a de Polignac number, because 102303857 - 2¹⁴ = 102287473 is a prime.

It is not a weakly prime, because it can be changed into another prime (102303757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51151928 + 51151929.

It is an arithmetic number, because the mean of its divisors is an integer number (51151929).

Almost surely, 2^102303857 is an apocalyptic number.

It is an amenable number.

102303857 is a deficient number, since it is larger than the sum of its proper divisors (1).

102303857 is an equidigital number, since it uses as much as digits as its factorization.

102303857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 102303857 is about 10114.5369147579. The cubic root of 102303857 is about 467.6963736008.

The spelling of 102303857 in words is "one hundred two million, three hundred three thousand, eight hundred fifty-seven".