1111112023 has 4 divisors (see below), whose sum is σ = 1269842320. Its totient is φ = 952381728.

The previous prime is 1111112021. The next prime is 1111112029. The reversal of 1111112023 is 3202111111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3202111111 = 41 ⋅78100271.

It is a cyclic number.

It is not a de Polignac number, because 1111112023 - 2¹ = 1111112021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1111111994 and 1111112012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111112021) 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, 79365138 + ... + 79365151.

It is an arithmetic number, because the mean of its divisors is an integer number (317460580).

Almost surely, 2^1111112023 is an apocalyptic number.

1111112023 is a deficient number, since it is larger than the sum of its proper divisors (158730297).

1111112023 is an equidigital number, since it uses as much as digits as its factorization.

1111112023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158730296.

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 1111112023 is about 33333.3470116639. The cubic root of 1111112023 is about 1035.7444519963.

Adding to 1111112023 its reverse (3202111111), we get a palindrome (4313223134).

The spelling of 1111112023 in words is "one billion, one hundred eleven million, one hundred twelve thousand, twenty-three".