201434544023 has 2 divisors, whose sum is σ = 201434544024. Its totient is φ = 201434544022.

The previous prime is 201434544007. The next prime is 201434544037. The reversal of 201434544023 is 320445434102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201434544023 - 2⁴ = 201434544007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201434540023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100717272011 + 100717272012.

It is an arithmetic number, because the mean of its divisors is an integer number (100717272012).

Almost surely, 2^201434544023 is an apocalyptic number.

201434544023 is a deficient number, since it is larger than the sum of its proper divisors (1).

201434544023 is an equidigital number, since it uses as much as digits as its factorization.

201434544023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 201434544023 its reverse (320445434102), we get a palindrome (521879978125).

The spelling of 201434544023 in words is "two hundred one billion, four hundred thirty-four million, five hundred forty-four thousand, twenty-three".