201155323 has 2 divisors, whose sum is σ = 201155324. Its totient is φ = 201155322.

The previous prime is 201155293. The next prime is 201155327. The reversal of 201155323 is 323551102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201155323 - 2⁵ = 201155291 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201155294 and 201155303.

It is not a weakly prime, because it can be changed into another prime (201155327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100577661 + 100577662.

It is an arithmetic number, because the mean of its divisors is an integer number (100577662).

Almost surely, 2^201155323 is an apocalyptic number.

201155323 is a deficient number, since it is larger than the sum of its proper divisors (1).

201155323 is an equidigital number, since it uses as much as digits as its factorization.

201155323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 201155323 is about 14182.9236407731. The cubic root of 201155323 is about 585.9274479480.

The spelling of 201155323 in words is "two hundred one million, one hundred fifty-five thousand, three hundred twenty-three".