11230123321 has 4 divisors (see below), whose sum is σ = 11388294144. Its totient is φ = 11071952500.

The previous prime is 11230123319. The next prime is 11230123361. The reversal of 11230123321 is 12332103211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11230123321 - 2¹ = 11230123319 is a prime.

It is a super-2 number, since 2×11230123321² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11230123361) 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, 79085305 + ... + 79085446.

It is an arithmetic number, because the mean of its divisors is an integer number (2847073536).

Almost surely, 2^11230123321 is an apocalyptic number.

It is an amenable number.

11230123321 is a deficient number, since it is larger than the sum of its proper divisors (158170823).

11230123321 is an equidigital number, since it uses as much as digits as its factorization.

11230123321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158170822.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 11230123321 its reverse (12332103211), we get a palindrome (23562226532).

The spelling of 11230123321 in words is "eleven billion, two hundred thirty million, one hundred twenty-three thousand, three hundred twenty-one".