243232210011 has 16 divisors (see below), whose sum is σ = 370807871744. Its totient is φ = 138926716704.

The previous prime is 243232209947. The next prime is 243232210021. The reversal of 243232210011 is 110012232342.

It is not a de Polignac number, because 243232210011 - 2⁶ = 243232209947 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 243232210011.

It is not an unprimeable number, because it can be changed into a prime (243232210021) 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, 2582536 + ... + 2675061.

It is an arithmetic number, because the mean of its divisors is an integer number (23175491984).

Almost surely, 2^243232210011 is an apocalyptic number.

243232210011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

243232210011 is a deficient number, since it is larger than the sum of its proper divisors (127575661733).

243232210011 is a wasteful number, since it uses less digits than its factorization.

243232210011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5259810.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 243232210011 its reverse (110012232342), we get a palindrome (353244442353).

The spelling of 243232210011 in words is "two hundred forty-three billion, two hundred thirty-two million, two hundred ten thousand, eleven".