11023043213 has 16 divisors (see below), whose sum is σ = 13642634880. Its totient is φ = 8672792256.

The previous prime is 11023043179. The next prime is 11023043261. The reversal of 11023043213 is 31234032011.

It is a cyclic number.

It is not a de Polignac number, because 11023043213 - 2⁶ = 11023043149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11023043513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 322070 + ... + 354647.

It is an arithmetic number, because the mean of its divisors is an integer number (852664680).

Almost surely, 2^11023043213 is an apocalyptic number.

11023043213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11023043213 is a deficient number, since it is larger than the sum of its proper divisors (2619591667).

11023043213 is a wasteful number, since it uses less digits than its factorization.

11023043213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676916.

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

Adding to 11023043213 its reverse (31234032011), we get a palindrome (42257075224).

The spelling of 11023043213 in words is "eleven billion, twenty-three million, forty-three thousand, two hundred thirteen".