662153423 has 2 divisors, whose sum is σ = 662153424. Its totient is φ = 662153422.

The previous prime is 662153419. The next prime is 662153441. The reversal of 662153423 is 324351266.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 662153423 - 2² = 662153419 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 662153423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (662153473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331076711 + 331076712.

It is an arithmetic number, because the mean of its divisors is an integer number (331076712).

Almost surely, 2^662153423 is an apocalyptic number.

662153423 is a deficient number, since it is larger than the sum of its proper divisors (1).

662153423 is an equidigital number, since it uses as much as digits as its factorization.

662153423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 32.

The square root of 662153423 is about 25732.3419649281. The cubic root of 662153423 is about 871.6046586087.

The spelling of 662153423 in words is "six hundred sixty-two million, one hundred fifty-three thousand, four hundred twenty-three".