1428233 has 2 divisors, whose sum is σ = 1428234. Its totient is φ = 1428232.

The previous prime is 1428209. The next prime is 1428247. The reversal of 1428233 is 3328241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1364224 + 64009 = 1168^2 + 253^2 .

It is a cyclic number.

It is not a de Polignac number, because 1428233 - 2⁶ = 1428169 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1428199 and 1428208.

It is not a weakly prime, because it can be changed into another prime (1428253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 714116 + 714117.

It is an arithmetic number, because the mean of its divisors is an integer number (714117).

2^1428233 is an apocalyptic number.

It is an amenable number.

1428233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1428233 is an equidigital number, since it uses as much as digits as its factorization.

1428233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 23.

The square root of 1428233 is about 1195.0870261199. The cubic root of 1428233 is about 112.6158937379.

It can be divided in two parts, 1428 and 233, that added together give a palindrome (1661).

The spelling of 1428233 in words is "one million, four hundred twenty-eight thousand, two hundred thirty-three".