162423213361 has 2 divisors, whose sum is σ = 162423213362. Its totient is φ = 162423213360.

The previous prime is 162423213319. The next prime is 162423213371. The reversal of 162423213361 is 163312324261.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89607429025 + 72815784336 = 299345^2 + 269844^2 .

It is a cyclic number.

It is not a de Polignac number, because 162423213361 - 2⁷ = 162423213233 is a prime.

It is not a weakly prime, because it can be changed into another prime (162423213301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81211606680 + 81211606681.

It is an arithmetic number, because the mean of its divisors is an integer number (81211606681).

Almost surely, 2^162423213361 is an apocalyptic number.

It is an amenable number.

162423213361 is a deficient number, since it is larger than the sum of its proper divisors (1).

162423213361 is an equidigital number, since it uses as much as digits as its factorization.

162423213361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 34.

The spelling of 162423213361 in words is "one hundred sixty-two billion, four hundred twenty-three million, two hundred thirteen thousand, three hundred sixty-one".