11213031023 has 4 divisors (see below), whose sum is σ = 11217802848. Its totient is φ = 11208259200.

The previous prime is 11213030999. The next prime is 11213031059. The reversal of 11213031023 is 32013031211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11213031023 - 2¹⁴ = 11213014639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11213030992 and 11213031010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11213031073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2382386 + ... + 2387087.

It is an arithmetic number, because the mean of its divisors is an integer number (2804450712).

Almost surely, 2^11213031023 is an apocalyptic number.

11213031023 is a deficient number, since it is larger than the sum of its proper divisors (4771825).

11213031023 is an equidigital number, since it uses as much as digits as its factorization.

11213031023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4771824.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 11213031023 its reverse (32013031211), we get a palindrome (43226062234).

The spelling of 11213031023 in words is "eleven billion, two hundred thirteen million, thirty-one thousand, twenty-three".