111313523 has 2 divisors, whose sum is σ = 111313524. Its totient is φ = 111313522.

The previous prime is 111313511. The next prime is 111313561. The reversal of 111313523 is 325313111.

It is a weak prime.

It is an emirp because it is prime and its reverse (325313111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111313523 - 2¹² = 111309427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111313495 and 111313504.

It is not a weakly prime, because it can be changed into another prime (111313823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55656761 + 55656762.

It is an arithmetic number, because the mean of its divisors is an integer number (55656762).

Almost surely, 2^111313523 is an apocalyptic number.

111313523 is a deficient number, since it is larger than the sum of its proper divisors (1).

111313523 is an equidigital number, since it uses as much as digits as its factorization.

111313523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 270, while the sum is 20.

The square root of 111313523 is about 10550.5224041277. The cubic root of 111313523 is about 481.0416081387.

Adding to 111313523 its reverse (325313111), we get a palindrome (436626634).

The spelling of 111313523 in words is "one hundred eleven million, three hundred thirteen thousand, five hundred twenty-three".