111233122023 has 4 divisors (see below), whose sum is σ = 148310829368. Its totient is φ = 74155414680.

The previous prime is 111233122019. The next prime is 111233122081. The reversal of 111233122023 is 320221332111.

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

It is not a de Polignac number, because 111233122023 - 2² = 111233122019 is a prime.

It is a super-2 number, since 2×111233122023² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111233122423) 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, 18538853668 + ... + 18538853673.

It is an arithmetic number, because the mean of its divisors is an integer number (37077707342).

Almost surely, 2^111233122023 is an apocalyptic number.

111233122023 is a deficient number, since it is larger than the sum of its proper divisors (37077707345).

111233122023 is an equidigital number, since it uses as much as digits as its factorization.

111233122023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37077707344.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 111233122023 its reverse (320221332111), we get a palindrome (431454454134).

The spelling of 111233122023 in words is "one hundred eleven billion, two hundred thirty-three million, one hundred twenty-two thousand, twenty-three".