11123213023 has 8 divisors (see below), whose sum is σ = 12302597888. Its totient is φ = 9990078624.

The previous prime is 11123213021. The next prime is 11123213053. The reversal of 11123213023 is 32031232111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11123213023 - 2¹ = 11123213021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11123213021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11562111 + ... + 11563072.

It is an arithmetic number, because the mean of its divisors is an integer number (1537824736).

Almost surely, 2^11123213023 is an apocalyptic number.

11123213023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11123213023 is a deficient number, since it is larger than the sum of its proper divisors (1179384865).

11123213023 is a wasteful number, since it uses less digits than its factorization.

11123213023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23125233.

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

Adding to 11123213023 its reverse (32031232111), we get a palindrome (43154445134).

The spelling of 11123213023 in words is "eleven billion, one hundred twenty-three million, two hundred thirteen thousand, twenty-three".