1330423511 has 2 divisors, whose sum is σ = 1330423512. Its totient is φ = 1330423510.

The previous prime is 1330423439. The next prime is 1330423513. The reversal of 1330423511 is 1153240331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1330423511 - 2²² = 1326229207 is a prime.

Together with 1330423513, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1330423513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665211755 + 665211756.

It is an arithmetic number, because the mean of its divisors is an integer number (665211756).

Almost surely, 2^1330423511 is an apocalyptic number.

1330423511 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330423511 is an equidigital number, since it uses as much as digits as its factorization.

1330423511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 1330423511 is about 36474.9710212359. The cubic root of 1330423511 is about 1099.8411646693.

Adding to 1330423511 its reverse (1153240331), we get a palindrome (2483663842).

The spelling of 1330423511 in words is "one billion, three hundred thirty million, four hundred twenty-three thousand, five hundred eleven".