4271923 has 2 divisors, whose sum is σ = 4271924. Its totient is φ = 4271922.

The previous prime is 4271881. The next prime is 4271929. The reversal of 4271923 is 3291724.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4271923 - 2¹³ = 4263731 is a prime.

It is a super-2 number, since 2×4271923² = 36498652235858, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4271891 and 4271900.

It is not a weakly prime, because it can be changed into another prime (4271929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2135961 + 2135962.

It is an arithmetic number, because the mean of its divisors is an integer number (2135962).

Almost surely, 2^4271923 is an apocalyptic number.

4271923 is a deficient number, since it is larger than the sum of its proper divisors (1).

4271923 is an equidigital number, since it uses as much as digits as its factorization.

4271923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 28.

The square root of 4271923 is about 2066.8630820642. The cubic root of 4271923 is about 162.2586302185.

It can be divided in two parts, 427 and 1923, that multiplied together give a triangular number (821121 = T₁₂₈₁).

The spelling of 4271923 in words is "four million, two hundred seventy-one thousand, nine hundred twenty-three".