1423203316 has 12 divisors (see below), whose sum is σ = 2551352580. Its totient is φ = 694245440.

The previous prime is 1423203283. The next prime is 1423203337. The reversal of 1423203316 is 6133023241.

It can be written as a sum of positive squares in 2 ways, for example, as 765075600 + 658127716 = 27660^2 + 25654^2 .

It is a congruent number.

It is an unprimeable number.

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, 4338871 + ... + 4339198.

It is an arithmetic number, because the mean of its divisors is an integer number (212612715).

Almost surely, 2^1423203316 is an apocalyptic number.

It is an amenable number.

1423203316 is a deficient number, since it is larger than the sum of its proper divisors (1128149264).

1423203316 is a wasteful number, since it uses less digits than its factorization.

1423203316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8678114 (or 8678112 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 1423203316 is about 37725.3670094805. The cubic root of 1423203316 is about 1124.8354171744.

Adding to 1423203316 its reverse (6133023241), we get a palindrome (7556226557).

The spelling of 1423203316 in words is "one billion, four hundred twenty-three million, two hundred three thousand, three hundred sixteen".