11423030003 has 16 divisors (see below), whose sum is σ = 14320400640. Its totient is φ = 8851874400.

The previous prime is 11423029987. The next prime is 11423030041. The reversal of 11423030003 is 30003032411.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11423030003 - 2⁴ = 11423029987 is a prime.

It is a super-2 number, since 2×11423030003² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11423030503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 395873 + ... + 423746.

It is an arithmetic number, because the mean of its divisors is an integer number (895025040).

Almost surely, 2^11423030003 is an apocalyptic number.

11423030003 is a deficient number, since it is larger than the sum of its proper divisors (2897370637).

11423030003 is a wasteful number, since it uses less digits than its factorization.

11423030003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819818.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 11423030003 its reverse (30003032411), we get a palindrome (41426062414).

The spelling of 11423030003 in words is "eleven billion, four hundred twenty-three million, thirty thousand, three".