11213003123 has 8 divisors (see below), whose sum is σ = 13568676192. Its totient is φ = 9045783936.

The previous prime is 11213003119. The next prime is 11213003161. The reversal of 11213003123 is 32130031211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11213003123 - 2² = 11213003119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11213003173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47113340 + ... + 47113577.

It is an arithmetic number, because the mean of its divisors is an integer number (1696084524).

Almost surely, 2^11213003123 is an apocalyptic number.

11213003123 is a deficient number, since it is larger than the sum of its proper divisors (2355673069).

11213003123 is an equidigital number, since it uses as much as digits as its factorization.

11213003123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94226941.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 11213003123 its reverse (32130031211), we get a palindrome (43343034334).

The spelling of 11213003123 in words is "eleven billion, two hundred thirteen million, three thousand, one hundred twenty-three".