201355423 has 2 divisors, whose sum is σ = 201355424. Its totient is φ = 201355422.

The previous prime is 201355411. The next prime is 201355433. The reversal of 201355423 is 324553102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201355423 - 2⁵ = 201355391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201355403) 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, 100677711 + 100677712.

It is an arithmetic number, because the mean of its divisors is an integer number (100677712).

Almost surely, 2^201355423 is an apocalyptic number.

201355423 is a deficient number, since it is larger than the sum of its proper divisors (1).

201355423 is an equidigital number, since it uses as much as digits as its factorization.

201355423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 201355423 is about 14189.9761451526. The cubic root of 201355423 is about 586.1216680590.

The spelling of 201355423 in words is "two hundred one million, three hundred fifty-five thousand, four hundred twenty-three".