201423127 has 2 divisors, whose sum is σ = 201423128. Its totient is φ = 201423126.

The previous prime is 201423097. The next prime is 201423169. The reversal of 201423127 is 721324102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201423127 - 2¹¹ = 201421079 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 201423098 and 201423107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201423197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100711563 + 100711564.

It is an arithmetic number, because the mean of its divisors is an integer number (100711564).

Almost surely, 2^201423127 is an apocalyptic number.

201423127 is a deficient number, since it is larger than the sum of its proper divisors (1).

201423127 is an equidigital number, since it uses as much as digits as its factorization.

201423127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 201423127 is about 14192.3615723388. The cubic root of 201423127 is about 586.1873534591.

Adding to 201423127 its reverse (721324102), we get a palindrome (922747229).

The spelling of 201423127 in words is "two hundred one million, four hundred twenty-three thousand, one hundred twenty-seven".