111013423 has 2 divisors, whose sum is σ = 111013424. Its totient is φ = 111013422.

The previous prime is 111013403. The next prime is 111013453. The reversal of 111013423 is 324310111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111013423 - 2¹⁷ = 110882351 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111013397 and 111013406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111013403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55506711 + 55506712.

It is an arithmetic number, because the mean of its divisors is an integer number (55506712).

Almost surely, 2^111013423 is an apocalyptic number.

111013423 is a deficient number, since it is larger than the sum of its proper divisors (1).

111013423 is an equidigital number, since it uses as much as digits as its factorization.

111013423 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 16.

The square root of 111013423 is about 10536.2907609842. The cubic root of 111013423 is about 480.6089248227.

Adding to 111013423 its reverse (324310111), we get a palindrome (435323534).

The spelling of 111013423 in words is "one hundred eleven million, thirteen thousand, four hundred twenty-three".