201423514129 has 2 divisors, whose sum is σ = 201423514130. Its totient is φ = 201423514128.

The previous prime is 201423514099. The next prime is 201423514183. The reversal of 201423514129 is 921415324102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 171832633729 + 29590880400 = 414527^2 + 172020^2 .

It is a cyclic number.

It is not a de Polignac number, because 201423514129 - 2¹³ = 201423505937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201423514094 and 201423514103.

It is not a weakly prime, because it can be changed into another prime (201423584129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100711757064 + 100711757065.

It is an arithmetic number, because the mean of its divisors is an integer number (100711757065).

Almost surely, 2^201423514129 is an apocalyptic number.

It is an amenable number.

201423514129 is a deficient number, since it is larger than the sum of its proper divisors (1).

201423514129 is an equidigital number, since it uses as much as digits as its factorization.

201423514129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 201423514129 in words is "two hundred one billion, four hundred twenty-three million, five hundred fourteen thousand, one hundred twenty-nine".