11111232023 has 4 divisors (see below), whose sum is σ = 11185804200. Its totient is φ = 11036659848.

The previous prime is 11111232007. The next prime is 11111232029. The reversal of 11111232023 is 32023211111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32023211111 = 29 ⋅1104248659.

It is a cyclic number.

It is not a de Polignac number, because 11111232023 - 2⁴ = 11111232007 is a prime.

It is a super-3 number, since 3×11111232023³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11111231992 and 11111232010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111232029) 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, 37285865 + ... + 37286162.

It is an arithmetic number, because the mean of its divisors is an integer number (2796451050).

Almost surely, 2^11111232023 is an apocalyptic number.

11111232023 is a deficient number, since it is larger than the sum of its proper divisors (74572177).

11111232023 is an equidigital number, since it uses as much as digits as its factorization.

11111232023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74572176.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11111232023 its reverse (32023211111), we get a palindrome (43134443134).

The spelling of 11111232023 in words is "eleven billion, one hundred eleven million, two hundred thirty-two thousand, twenty-three".