11303123100 has 72 divisors (see below), whose sum is σ = 33239882928. Its totient is φ = 2964748800.

The previous prime is 11303123099. The next prime is 11303123101. The reversal of 11303123100 is 132130311.

It is an interprime number because it is at equal distance from previous prime (11303123099) and next prime (11303123101).

It is a super-2 number, since 2×11303123100² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 11303123100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11303123101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 290529 + ... + 327128.

Almost surely, 2^11303123100 is an apocalyptic number.

11303123100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11303123100 is an abundant number, since it is smaller than the sum of its proper divisors (21936759828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11303123100 is a wasteful number, since it uses less digits than its factorization.

11303123100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617735 (or 617728 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 11303123100 its reverse (132130311), we get a palindrome (11435253411).

The spelling of 11303123100 in words is "eleven billion, three hundred three million, one hundred twenty-three thousand, one hundred".