11230012903 has 4 divisors (see below), whose sum is σ = 11230885648. Its totient is φ = 11229140160.

The previous prime is 11230012897. The next prime is 11230012921. The reversal of 11230012903 is 30921003211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30921003211 = 7 ⋅4417286173.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11230012903 is a prime.

It is a super-2 number, since 2×11230012903² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11230012933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 416778 + ... + 442903.

It is an arithmetic number, because the mean of its divisors is an integer number (2807721412).

Almost surely, 2^11230012903 is an apocalyptic number.

11230012903 is a deficient number, since it is larger than the sum of its proper divisors (872745).

11230012903 is an equidigital number, since it uses as much as digits as its factorization.

11230012903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872744.

The product of its (nonzero) digits is 324, while the sum is 22.

The spelling of 11230012903 in words is "eleven billion, two hundred thirty million, twelve thousand, nine hundred three".