1423030813 has 2 divisors, whose sum is σ = 1423030814. Its totient is φ = 1423030812.

The previous prime is 1423030811. The next prime is 1423030823. The reversal of 1423030813 is 3180303241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1423024729 + 6084 = 37723^2 + 78^2 .

It is a cyclic number.

It is not a de Polignac number, because 1423030813 - 2¹ = 1423030811 is a prime.

It is a super-3 number, since 3×1423030813³ (a number of 28 digits) contains 333 as substring.

Together with 1423030811, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1423030811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711515406 + 711515407.

It is an arithmetic number, because the mean of its divisors is an integer number (711515407).

Almost surely, 2^1423030813 is an apocalyptic number.

It is an amenable number.

1423030813 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423030813 is an equidigital number, since it uses as much as digits as its factorization.

1423030813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 1423030813 is about 37723.0806403719. The cubic root of 1423030813 is about 1124.7899691531.

The spelling of 1423030813 in words is "one billion, four hundred twenty-three million, thirty thousand, eight hundred thirteen".