1423333333 has 2 divisors, whose sum is σ = 1423333334. Its totient is φ = 1423333332.

The previous prime is 1423333321. The next prime is 1423333361. The reversal of 1423333333 is 3333333241.

It is an a-pointer prime, because the next prime (1423333361) can be obtained adding 1423333333 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1413233649 + 10099684 = 37593^2 + 3178^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1423333333 is a prime.

1423333333 is a modest number, since divided by 33333 gives 14233 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1423333393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711666666 + 711666667.

It is an arithmetic number, because the mean of its divisors is an integer number (711666667).

Almost surely, 2^1423333333 is an apocalyptic number.

It is an amenable number.

1423333333 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423333333 is an equidigital number, since it uses as much as digits as its factorization.

1423333333 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17496, while the sum is 28.

The square root of 1423333333 is about 37727.0901740381. The cubic root of 1423333333 is about 1124.8696693134.

Adding to 1423333333 its reverse (3333333241), we get a palindrome (4756666574).

The spelling of 1423333333 in words is "one billion, four hundred twenty-three million, three hundred thirty-three thousand, three hundred thirty-three".