11030003423 has 2 divisors, whose sum is σ = 11030003424. Its totient is φ = 11030003422.

The previous prime is 11030003377. The next prime is 11030003471. The reversal of 11030003423 is 32430003011.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11030003423 - 2¹⁸ = 11029741279 is a prime.

It is a super-2 number, since 2×11030003423² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11030003473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5515001711 + 5515001712.

It is an arithmetic number, because the mean of its divisors is an integer number (5515001712).

Almost surely, 2^11030003423 is an apocalyptic number.

11030003423 is a deficient number, since it is larger than the sum of its proper divisors (1).

11030003423 is an equidigital number, since it uses as much as digits as its factorization.

11030003423 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 17.

Adding to 11030003423 its reverse (32430003011), we get a palindrome (43460006434).

The spelling of 11030003423 in words is "eleven billion, thirty million, three thousand, four hundred twenty-three".