1602278323 has 4 divisors (see below), whose sum is σ = 1609155288. Its totient is φ = 1595401360.

The previous prime is 1602278311. The next prime is 1602278347. The reversal of 1602278323 is 3238722061.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1602278323 - 2¹⁷ = 1602147251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1602278383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3438133 + ... + 3438598.

It is an arithmetic number, because the mean of its divisors is an integer number (402288822).

Almost surely, 2^1602278323 is an apocalyptic number.

1602278323 is a deficient number, since it is larger than the sum of its proper divisors (6876965).

1602278323 is an equidigital number, since it uses as much as digits as its factorization.

1602278323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6876964.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 1602278323 is about 40028.4689065170. The cubic root of 1602278323 is about 1170.1619867276.

The spelling of 1602278323 in words is "one billion, six hundred two million, two hundred seventy-eight thousand, three hundred twenty-three".