11123312023 has 2 divisors, whose sum is σ = 11123312024. Its totient is φ = 11123312022.

The previous prime is 11123312017. The next prime is 11123312059. The reversal of 11123312023 is 32021332111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11123312023 - 2¹⁷ = 11123180951 is a prime.

It is a super-2 number, since 2×11123312023² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11123318023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561656011 + 5561656012.

It is an arithmetic number, because the mean of its divisors is an integer number (5561656012).

Almost surely, 2^11123312023 is an apocalyptic number.

11123312023 is a deficient number, since it is larger than the sum of its proper divisors (1).

11123312023 is an equidigital number, since it uses as much as digits as its factorization.

11123312023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 11123312023 its reverse (32021332111), we get a palindrome (43144644134).

It can be divided in two parts, 111233 and 12023, that added together give a triangular number (123256 = T₄₉₆).

The spelling of 11123312023 in words is "eleven billion, one hundred twenty-three million, three hundred twelve thousand, twenty-three".