111423102136 has 32 divisors (see below), whose sum is σ = 209454336000. Its totient is φ = 55568800096.

The previous prime is 111423102107. The next prime is 111423102137. The reversal of 111423102136 is 631201324111.

It is a self number, because there is not a number n which added to its sum of digits gives 111423102136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111423102137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5091105 + ... + 5112943.

It is an arithmetic number, because the mean of its divisors is an integer number (6545448000).

Almost surely, 2^111423102136 is an apocalyptic number.

It is an amenable number.

111423102136 is a deficient number, since it is larger than the sum of its proper divisors (98031233864).

111423102136 is a wasteful number, since it uses less digits than its factorization.

111423102136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23451 (or 23447 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 111423102136 its reverse (631201324111), we get a palindrome (742624426247).

The spelling of 111423102136 in words is "one hundred eleven billion, four hundred twenty-three million, one hundred two thousand, one hundred thirty-six".