111423223551303 has 12 divisors (see below), whose sum is σ = 166136419345728. Its totient is φ = 71885950678080.

The previous prime is 111423223551229. The next prime is 111423223551319. The reversal of 111423223551303 is 303155322324111.

111423223551303 is a `hidden beast` number, since 1 + 1 + 1 + 42 + 32 + 2 + 3 + 551 + 30 + 3 = 666.

It is not a de Polignac number, because 111423223551303 - 2⁸ = 111423223551047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111423228551303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 199683196050 + ... + 199683196607.

It is an arithmetic number, because the mean of its divisors is an integer number (13844701612144).

Almost surely, 2^{111423223551303} is an apocalyptic number.

111423223551303 is a deficient number, since it is larger than the sum of its proper divisors (54713195794425).

111423223551303 is a wasteful number, since it uses less digits than its factorization.

111423223551303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399366392694 (or 399366392691 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

Adding to 111423223551303 its reverse (303155322324111), we get a palindrome (414578545875414).

The spelling of 111423223551303 in words is "one hundred eleven trillion, four hundred twenty-three billion, two hundred twenty-three million, five hundred fifty-one thousand, three hundred three".