203426227 has 2 divisors, whose sum is σ = 203426228. Its totient is φ = 203426226.

The previous prime is 203426203. The next prime is 203426239. The reversal of 203426227 is 722624302.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203426227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 203426195 and 203426204.

It is not a weakly prime, because it can be changed into another prime (203426257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101713113 + 101713114.

It is an arithmetic number, because the mean of its divisors is an integer number (101713114).

Almost surely, 2^203426227 is an apocalyptic number.

203426227 is a deficient number, since it is larger than the sum of its proper divisors (1).

203426227 is an equidigital number, since it uses as much as digits as its factorization.

203426227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 203426227 is about 14262.7566409863. The cubic root of 203426227 is about 588.1241070734.

It can be divided in two parts, 20342 and 6227, that added together give a square (26569 = 163²).

The spelling of 203426227 in words is "two hundred three million, four hundred twenty-six thousand, two hundred twenty-seven".