662042323 has 2 divisors, whose sum is σ = 662042324. Its totient is φ = 662042322.

The previous prime is 662042317. The next prime is 662042351. The reversal of 662042323 is 323240266.

It is an a-pointer prime, because the next prime (662042351) can be obtained adding 662042323 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 662042323 - 2⁹ = 662041811 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 662042291 and 662042300.

It is not a weakly prime, because it can be changed into another prime (662042383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331021161 + 331021162.

It is an arithmetic number, because the mean of its divisors is an integer number (331021162).

Almost surely, 2^662042323 is an apocalyptic number.

662042323 is a deficient number, since it is larger than the sum of its proper divisors (1).

662042323 is an equidigital number, since it uses as much as digits as its factorization.

662042323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 28.

The square root of 662042323 is about 25730.1831124460. The cubic root of 662042323 is about 871.5559082282. Note that the first 3 decimals are identical.

Adding to 662042323 its reverse (323240266), we get a palindrome (985282589).

The spelling of 662042323 in words is "six hundred sixty-two million, forty-two thousand, three hundred twenty-three".