1423030811 has 2 divisors, whose sum is σ = 1423030812. Its totient is φ = 1423030810.

The previous prime is 1423030801. The next prime is 1423030813. The reversal of 1423030811 is 1180303241.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1423030811 is a prime.

Together with 1423030813, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1423030813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711515405 + 711515406.

It is an arithmetic number, because the mean of its divisors is an integer number (711515406).

Almost surely, 2^1423030811 is an apocalyptic number.

1423030811 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423030811 is an equidigital number, since it uses as much as digits as its factorization.

1423030811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 1423030811 is about 37723.0806138629. The cubic root of 1423030811 is about 1124.7899686261.

The spelling of 1423030811 in words is "one billion, four hundred twenty-three million, thirty thousand, eight hundred eleven".