1131112023 has 8 divisors (see below), whose sum is σ = 1530659328. Its totient is φ = 742819704.

The previous prime is 1131112001. The next prime is 1131112057. The reversal of 1131112023 is 3202111311.

It is a happy number.

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

It is not a de Polignac number, because 1131112023 - 2⁵ = 1131111991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1131111993 and 1131112011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131112063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2813511 + ... + 2813912.

It is an arithmetic number, because the mean of its divisors is an integer number (191332416).

Almost surely, 2^1131112023 is an apocalyptic number.

1131112023 is a deficient number, since it is larger than the sum of its proper divisors (399547305).

1131112023 is an equidigital number, since it uses as much as digits as its factorization.

1131112023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5627493.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1131112023 is about 33632.0089052081. The cubic root of 1131112023 is about 1041.9219953199.

Adding to 1131112023 its reverse (3202111311), we get a palindrome (4333223334).

The spelling of 1131112023 in words is "one billion, one hundred thirty-one million, one hundred twelve thousand, twenty-three".