1111133023 has 16 divisors (see below), whose sum is σ = 1491872256. Its totient is φ = 799215840.

The previous prime is 1111133011. The next prime is 1111133041. The reversal of 1111133023 is 3203311111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1111133023 is a prime.

It is a super-2 number, since 2×1111133023² = 2469233189602237058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1111132988 and 1111133006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111133003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 554011 + ... + 556012.

It is an arithmetic number, because the mean of its divisors is an integer number (93242016).

Almost surely, 2^1111133023 is an apocalyptic number.

1111133023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1111133023 is a deficient number, since it is larger than the sum of its proper divisors (380739233).

1111133023 is a wasteful number, since it uses less digits than its factorization.

1111133023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110054.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1111133023 is about 33333.6620100462. The cubic root of 1111133023 is about 1035.7509771399.

Adding to 1111133023 its reverse (3203311111), we get a palindrome (4314444134).

The spelling of 1111133023 in words is "one billion, one hundred eleven million, one hundred thirty-three thousand, twenty-three".