11430234243 has 24 divisors (see below), whose sum is σ = 17520030528. Its totient is φ = 7442936424.

The previous prime is 11430234217. The next prime is 11430234259. The reversal of 11430234243 is 34243203411.

11430234243 is a `hidden beast` number, since 1 + 14 + 302 + 342 + 4 + 3 = 666.

It is not a de Polignac number, because 11430234243 - 2¹³ = 11430226051 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (11430234743) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 536505 + ... + 557402.

It is an arithmetic number, because the mean of its divisors is an integer number (730001272).

Almost surely, 2^11430234243 is an apocalyptic number.

11430234243 is a deficient number, since it is larger than the sum of its proper divisors (6089796285).

11430234243 is an equidigital number, since it uses as much as digits as its factorization.

11430234243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093965 (or 1093953 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 11430234243 its reverse (34243203411), we get a palindrome (45673437654).

The spelling of 11430234243 in words is "eleven billion, four hundred thirty million, two hundred thirty-four thousand, two hundred forty-three".