11430021323 has 16 divisors (see below), whose sum is σ = 13176791040. Its totient is φ = 9712102176.

The previous prime is 11430021289. The next prime is 11430021367. The reversal of 11430021323 is 32312003411.

It is not a de Polignac number, because 11430021323 - 2¹⁴ = 11430004939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11430021295 and 11430021304.

It is not an unprimeable number, because it can be changed into a prime (11430021023) 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, 357761 + ... + 388397.

It is an arithmetic number, because the mean of its divisors is an integer number (823549440).

Almost surely, 2^11430021323 is an apocalyptic number.

11430021323 is a deficient number, since it is larger than the sum of its proper divisors (1746769717).

11430021323 is a wasteful number, since it uses less digits than its factorization.

11430021323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31106.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 11430021323 its reverse (32312003411), we get a palindrome (43742024734).

The spelling of 11430021323 in words is "eleven billion, four hundred thirty million, twenty-one thousand, three hundred twenty-three".