111201312023 has 2 divisors, whose sum is σ = 111201312024. Its totient is φ = 111201312022.

The previous prime is 111201312017. The next prime is 111201312097. The reversal of 111201312023 is 320213102111.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111201312023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111201311992 and 111201312010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111201312823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55600656011 + 55600656012.

It is an arithmetic number, because the mean of its divisors is an integer number (55600656012).

Almost surely, 2^111201312023 is an apocalyptic number.

111201312023 is a deficient number, since it is larger than the sum of its proper divisors (1).

111201312023 is an equidigital number, since it uses as much as digits as its factorization.

111201312023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 111201312023 its reverse (320213102111), we get a palindrome (431414414134).

The spelling of 111201312023 in words is "one hundred eleven billion, two hundred one million, three hundred twelve thousand, twenty-three".