1330423 has 2 divisors, whose sum is σ = 1330424. Its totient is φ = 1330422.

The previous prime is 1330411. The next prime is 1330453. The reversal of 1330423 is 3240331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1330423 - 2¹⁷ = 1199351 is a prime.

1330423 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1330397 and 1330406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1330453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665211 + 665212.

It is an arithmetic number, because the mean of its divisors is an integer number (665212).

2^1330423 is an apocalyptic number.

1330423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330423 is an equidigital number, since it uses as much as digits as its factorization.

1330423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 1330423 is about 1153.4396386461. The cubic root of 1330423 is about 109.9841023857.

Adding to 1330423 its reverse (3240331), we get a palindrome (4570754).

The spelling of 1330423 in words is "one million, three hundred thirty thousand, four hundred twenty-three".